Baby Boy Names That Start With K
K-names feel modern and punchy; many rose after the 1980s as fresh spellings and crossovers such as Kayla, Kai, and Kennedy. Alongside the newer coinages sit long-serving Irish and Greek mainstays like Kevin, Keira, and Katherine. This page narrows the letter to 170 boy names, where American, Irish and Modern English origins run strongest. Kai (No. 93) and Kayden (No. 135) are the most popular K boy names in the 2025 U.S. Social Security rankings.
Browse Baby Boy Names Beginning With K
This page narrows the K list to baby boy names with meanings and origins. For a fresh batch, open the boy name generator preset for K. You can also compare the broader baby names that start with K, switch to baby girl names that start with K, or move to baby boy names that start with J and baby boy names that start with L.
Baby Boy Names That Start With K List
170 curated ideas with quick meanings or usage notes.
#1
Kai
Meaning: Sea
Origin: Hawaiian
#2
Kit
Meaning: Bearing Christ
Origin: Greek / English
#3
Kian
Meaning: Ancient
Origin: Irish
#4
Koa
Meaning: Warrior or koa tree
Origin: Hawaiian
#5
Kairo
Meaning: Victorious or place-name form of Cairo
Origin: Arabic / Greek
#6
Kayden
Meaning: Modern name, possibly battle
Origin: Modern English / Celtic
#7
Kevin
Meaning: Handsome birth
Origin: Irish
#8
Kobe
Meaning: Tortoise or from Kobe
Origin: Japanese / Hebrew
#9
Khalil
Meaning: Friend or companion
Origin: Arabic
#10
Kylo
Meaning: Modern invented name
Origin: Modern English
#11
Kaleb
Meaning: Faithful, devoted
Origin: Hebrew / English variant
#12
Khalid
Meaning: Eternal or immortal
Origin: Arabic
#13
Kingsley
Meaning: King's clearing
Origin: English
#14
Kyrie
Meaning: Lord
Origin: Greek
#15
Kaiden
Meaning: Modern form in the Caden family
Origin: Modern English
#16
Kobie
Meaning: Supplanter or tortoise
Origin: Hebrew / Japanese
#17
Kobi
Meaning: Supplanter or tortoise
Origin: Hebrew / Japanese
#18
Kiaan
Meaning: Grace of God or ancient
Origin: Sanskrit / Irish
#19
Koby
Meaning: Supplanter or tortoise
Origin: Hebrew / Japanese
#20
Kayson
Meaning: Modern son-name form
Origin: Modern English
#21
Kareem
Meaning: Generous or noble
Origin: Arabic
#22
Kabir
Meaning: Great or powerful
Origin: Arabic / Sanskrit
#23
Kenzo
Meaning: Healthy, wise, or third son depending on kanji
Origin: Japanese
#24
Kyro
Meaning: Modern form inspired by Cairo or Kyros
Origin: Modern English / Greek
#25
Karim
Meaning: Generous or noble
Origin: Arabic
#26
Kasper
Meaning: Treasurer
Origin: Scandinavian / Persian
#27
Kody
Meaning: Helpful one or cushion
Origin: English / Irish
#28
Krishiv
Meaning: Associated with Krishna and Shiva
Origin: Sanskrit
#29
Kade
Meaning: Round or barrel
Origin: English / Scottish
#30
Killian
Meaning: Little church
Origin: Irish
#31
Kyle
Meaning: Narrow channel
Origin: Scottish Gaelic
#32
Kieran
Meaning: Little dark one
Origin: Irish
#33
Kiyaan
Meaning: Grace of God or ancient
Origin: Sanskrit / Irish
#34
Kane
Meaning: Warrior or tribute
Origin: Irish / Hawaiian
#35
Kiyan
Meaning: Kingly or ancient
Origin: Persian / Irish
#36
Koda
Meaning: Friend or ally
Origin: Dakota / Modern English
#37
Keanu
Meaning: Cool breeze
Origin: Hawaiian
#38
Kendrick
Meaning: Royal ruler or chief hero
Origin: Welsh / English
#39
Keon
Meaning: God is gracious or ancient
Origin: Irish / Hebrew
#40
Krish
Meaning: Short form of Krishna
Origin: Sanskrit
#41
Kylian
Meaning: Little church
Origin: Irish / French
#42
Kayan
Meaning: Dynasty or existence
Origin: Persian / Arabic
#43
Kenny
Meaning: Handsome or born of fire
Origin: Scottish / Irish
#44
Kacper
Meaning: Treasurer
Origin: Polish / Persian
#45
Karter
Meaning: Cart driver
Origin: English
#46
Keegan
Meaning: Descendant of fire
Origin: Irish
#47
Kamari
Meaning: Moonlight or noble
Origin: Swahili / Arabic
#48
Kyson
Meaning: Son of Ky or modern surname-style name
Origin: Modern English
#49
Kayce
Meaning: Vigilant or brave in battle
Origin: Irish / Modern English
#50
Kenan
Meaning: Possession or ancient one
Origin: Hebrew / Turkish
#51
Kenneth
Meaning: Handsome or born of fire
Origin: Scottish Gaelic
#52
Keith
Meaning: Wood or forest
Origin: Scottish Gaelic
#53
Kaden
Meaning: Modern Caden variant; battle or spirit depending on root
Origin: Modern English / Irish
#54
Kristopher
Meaning: Popular U.S. given name
Origin: American usage
#55
Kameron
Meaning: Crooked nose; Cameron variant
Origin: Scottish surname
#56
Kyler
Meaning: Archer or bowman, or modern Tyler-style form
Origin: Dutch / modern English
#57
Kelvin
Meaning: Popular U.S. given name
Origin: American usage
#58
Kingston
Meaning: King's town
Origin: English
#59
Kendall
Meaning: Valley of the River Kent
Origin: English
#60
Karl
Meaning: Popular U.S. given name
Origin: American usage
#61
Kurt
Meaning: Popular U.S. given name
Origin: American usage
#62
Keaton
Meaning: Hawk settlement
Origin: English
#63
Kelly
Meaning: Bright-headed or warrior
Origin: Irish
#64
Kristian
Meaning: Popular U.S. given name
Origin: American usage
#65
King
Meaning: King or leader
Origin: English
#66
Kellen
Meaning: Popular U.S. given name
Origin: American usage
#67
Keenan
Meaning: Popular U.S. given name
Origin: American usage
#68
Kirk
Meaning: Popular U.S. given name
Origin: American usage
#69
Kolton
Meaning: Coal town or colt town; Colton variant
Origin: English surname / place name
#70
Karson
Meaning: Son of Carr or marsh dweller; Carson variant
Origin: Scottish / English surname
#71
Kurtis
Meaning: Popular U.S. given name
Origin: American usage
#72
Kent
Meaning: Popular U.S. given name
Origin: American usage
#73
Kory
Meaning: Popular U.S. given name
Origin: American usage
#74
Kolby
Meaning: Popular U.S. given name
Origin: American usage
#75
Kasey
Meaning: Popular U.S. given name
Origin: American usage
#76
Korey
Meaning: Popular U.S. given name
Origin: American usage
#77
Kason
Meaning: Modern Cason variant; meaning uncertain
Origin: Modern English
#78
Kerry
Meaning: Popular U.S. given name
Origin: American usage
#79
Knox
Meaning: Round hill
Origin: Scottish surname
#80
Kellan
Meaning: Slender or powerful
Origin: Irish
#81
Kole
Meaning: Popular U.S. given name
Origin: American usage
#82
Kamden
Meaning: Winding valley; Camden variant
Origin: English surname / modern English
#83
Kaizen
Meaning: Change for the better, improvement
Origin: Japanese word name
#84
Kyaire
Meaning: Modern American name; meaning uncertain
Origin: Modern American
#85
Kolter
Meaning: Colter or coulter; plough blade, modern Colter variant
Origin: English occupational surname / modern American
#86
Krew
Meaning: Modern Crew variant; group, team, or company
Origin: Modern English word-name variant
#87
Kasai
Meaning: Fire in Japanese word use; also a surname and place-name form
Origin: Japanese / modern American
#88
Kenai
Meaning: From Kenai, Alaska; place-name meaning is uncertain
Origin: Alaska place name / modern American
#89
Kolson
Meaning: Son of Col or Nicholas; Colson variant
Origin: English surname / modern spelling
#90
Kaleo
Meaning: The voice or sound
Origin: Hawaiian
#91
Kael
Meaning: Slender, fair, or modern Cale variant depending on root
Origin: Irish / modern English
#92
Koah
Meaning: Modern Noah or Koa-influenced form; warrior or rest by related roots
Origin: Hawaiian / Hebrew-influenced modern English
#93
Kreed
Meaning: Modern Creed variant; belief or guiding faith
Origin: Modern English virtue word variant
#94
Krue
Meaning: Modern Crew or Crue variant; group, team, or company
Origin: Modern English word-name variant
#95
Kaycen
Meaning: Modern Kason or Cason variant; meaning uncertain
Origin: Modern English
#96
Kyree
Meaning: Lord or modern form linked with Kyrios
Origin: Greek / American modern
#97
Kyu-hyun
Meaning: standard, jewel, or rule Gyu plus worthy or manifest Hyun depending on hanja
Origin: Korean
#98
Kyung-min
Meaning: respect, brightness, or capital Kyung plus clever or people-minded Min depending on hanja
Origin: Korean
#99
Kyung-ho
Meaning: respect or brightness Kyung plus greatness or protection Ho depending on hanja
Origin: Korean
#100
Ki-ho
Meaning: foundation, energy, or rise Ki plus greatness or protection Ho depending on hanja
Origin: Korean
#101
Khang
Meaning: Peaceful, quiet, or healthy
Origin: Vietnamese
#102
Khanh
Meaning: Celebrate or congratulate
Origin: Vietnamese
#103
Khoa
Meaning: Science, discipline, or branch of study
Origin: Vietnamese
#104
Klahan
Meaning: brave
Origin: Thai
#105
Kittisak
Meaning: fame and honour
Origin: Thai
#106
Kriangsak
Meaning: great honour or renowned power
Origin: Thai
#107
Kamon
Meaning: heart or mind; lotus-rooted
Origin: Thai
#108
Kittichai
Meaning: famous victory
Origin: Thai
#109
Kenji
Meaning: Strong and vigorous second son
Origin: Japanese
#110
Kaito
Meaning: Ocean, soar, or sea flight
Origin: Japanese
#111
Kash
Meaning: Modern Cash variant, linked to money or treasurer imagery
Origin: Modern English / American
#112
Kasen
Meaning: Modern Cason or Kason variant; meaning uncertain
Origin: Modern English
#113
Korbin
Meaning: Distinctive U.S. given name
Origin: American usage
#114
Kylan
Meaning: Narrow strait or modern Kyle-family form
Origin: Irish / Scottish / modern English
#115
Kaison
Meaning: Modern Cason or Kason variant; meaning uncertain
Origin: Modern English
#116
Kohen
Meaning: Priest
Origin: Hebrew surname variant
#117
Kye
Meaning: Distinctive U.S. given name
Origin: American usage
#118
Kaysen
Meaning: Modern Cason or Kason variant; meaning uncertain
Origin: Modern English
#119
Kase
Meaning: Distinctive U.S. given name
Origin: American usage
#120
Kannon
Meaning: Canon, rule, or clergy title; Cannon variant by sound
Origin: English word name / Japanese Buddhist name
#121
Kamdyn
Meaning: Distinctive U.S. given name
Origin: American usage
#122
Kamryn
Meaning: Crooked nose; Cameron variant
Origin: Scottish surname / modern English
#123
Kolten
Meaning: Distinctive U.S. given name
Origin: American usage
#124
Keagan
Meaning: Distinctive U.S. given name
Origin: American usage
#125
Kalel
Meaning: Distinctive U.S. given name
Origin: American usage
#126
Konnor
Meaning: Distinctive U.S. given name
Origin: American usage
#127
Kashton
Meaning: Modern Kash and Ashton blend; meaning uncertain
Origin: Modern American
#128
Kymani
Meaning: Distinctive U.S. given name
Origin: American usage
#129
Konner
Meaning: Distinctive U.S. given name
Origin: American usage
#130
Kaiser
Meaning: Emperor
Origin: German title / Latin root
#131
Kamron
Meaning: Distinctive U.S. given name
Origin: American usage
#132
Kylen
Meaning: Narrow strait or modern Kyle-family form
Origin: Irish / Scottish / modern English
#133
Kaeden
Meaning: Distinctive U.S. given name
Origin: American usage
#134
Kyng
Meaning: Distinctive U.S. given name
Origin: American usage
#135
Kooper
Meaning: Distinctive U.S. given name
Origin: American usage
#136
Kyren
Meaning: Modern Ky- name; meaning uncertain
Origin: Modern English
#137
Kamren
Meaning: Distinctive U.S. given name
Origin: American usage
#138
Kain
Meaning: Distinctive U.S. given name
Origin: American usage
#139
Koen
Meaning: Bold counsel; short form of Koenraad
Origin: Dutch / Germanic
#140
Korbyn
Meaning: Distinctive U.S. given name
Origin: American usage
#141
Karsen
Meaning: Distinctive U.S. given name
Origin: American usage
#142
Kennedy
Meaning: Helmeted chief
Origin: Irish
#143
Khari
Meaning: Distinctive U.S. given name
Origin: American usage
#144
Kilian
Meaning: Distinctive U.S. given name
Origin: American usage
#145
Kace
Meaning: Distinctive U.S. given name
Origin: American usage
#146
Kenton
Meaning: Distinctive U.S. given name
Origin: American usage
#147
Kaine
Meaning: Distinctive U.S. given name
Origin: American usage
#148
Kalvin
Meaning: Distinctive U.S. given name
Origin: American usage
#149
Kyan
Meaning: Distinctive U.S. given name
Origin: American usage
#150
Kaidyn
Meaning: Distinctive U.S. given name
Origin: American usage
#151
Kaisen
Meaning: Modern Kayson or Kaizen-influenced form; meaning varies by usage
Origin: Modern American / Japanese-influenced
#152
Keller
Meaning: Distinctive U.S. given name
Origin: American usage
#153
Kallen
Meaning: Distinctive U.S. given name
Origin: American usage
#154
Karsyn
Meaning: Son of marsh-dwellers; Carson variant
Origin: Scottish surname / modern English
#155
Kyron
Meaning: Distinctive U.S. given name
Origin: American usage
#156
Kyran
Meaning: Distinctive U.S. given name
Origin: American usage
#157
Khai
Meaning: Distinctive U.S. given name
Origin: American usage
#158
Kanon
Meaning: Distinctive U.S. given name
Origin: American usage
#159
Klaus
Meaning: Victory of the people
Origin: Germanic
#160
Konrad
Meaning: Brave counsel
Origin: Germanic
#161
Kallias
Meaning: Beauty
Origin: Greek
#162
Konstantinos
Meaning: Constant or steadfast
Origin: Greek
#163
Kyriakos
Meaning: Of the Lord
Origin: Greek
#164
Kaj
Meaning: Earth or rejoicing depending on origin
Origin: Scandinavian
#165
Kalle
Meaning: Free man
Origin: Scandinavian
#166
Karsten
Meaning: Follower of Christ
Origin: Scandinavian
#167
Kjell
Meaning: Kettle or helmet
Origin: Scandinavian
#168
Knut
Meaning: Knot
Origin: Scandinavian
#169
Kerr
Meaning: Rough wet ground
Origin: Scottish
#170
Kester
Meaning: Bearing Christ
Origin: Scottish
How To Use This K Baby Names List
Use the list above as a research set, then narrow it by sound, meaning, origin, and how the name pairs with the family name. The generator preset is useful for quick discovery, while this page is better for comparing a larger fixed set of K names.
Gender Mix
This focused page currently includes 170 baby boy names beginning with K. For a wider comparison, browse the full baby names that start with K list.
Sound And Flow
Say each name with the surname and listen for repeated sounds, awkward initials, and rhythm. Short K names can feel direct, while longer names may offer more nickname options.
Generate More
For a fresh shortlist using the same starting letter, open the boy name generator preset for K, then save the names worth comparing.
K Name Snapshot
This snapshot is calculated from the names on this page, so it changes with the actual K shortlist rather than using generic baby-name advice.
Length Mix
Short names
41
Compact names that can pair well with longer surnames or double-barrel middle names.
Examples: Kai, Kit, Kian, Koa, Kobe, Kylo.
Medium names
118
Balanced names with enough sound to feel complete while still staying easy to say.
Examples: Kairo, Kayden, Kevin, Khalil, Kaleb, Khalid.
Long names
11
Longer names that often bring formal style, rhythm, and nickname options.
Examples: Kingsley, Kendrick, Kristopher, Kingston, Kristian, Kyung-min.
Common Endings
Ending sounds affect flow with the surname and can make names feel softer, sharper, brighter, or more traditional.
Ends in N
63
Examples: Kian, Kayden, Kevin, Kaiden, Kiaan, Killian.
Ends in E
16
Examples: Kobe, Kyrie, Kobie, Kade, Kyle, Kane.
Ends in R
14
Examples: Kabir, Kasper, Kacper, Karter, Kristopher, Kyler.
Ends in Y
11
Examples: Kingsley, Koby, Kody, Kenny, Kelly, Kory.
Popular K Baby Names In U.S. SSA 2025 Data
These are the highest-count K names in the U.S. SSA 2025 baby-name data. Treat this as a U.S. popularity signal, then use the full list above for meanings, origins, and a wider mix of styles.
Boy names
- Kai rank #93 - 3,768 births
- Kayden rank #135 - 2,678 births
- Knox rank #196 - 1,836 births
- Kingston rank #204 - 1,725 births
- Kevin rank #221 - 1,628 births
Source: U.S. Social Security Administration national baby name data, 2025. SSA public files include names with at least five births in a year; non-name records are excluded from this editorial summary.
Useful Styles In This List
Popular and familiar
Recognisable names that are useful when you want the shortlist to feel familiar rather than experimental.
Examples: Kai, Kit, Kian, Koa, Kairo, Kayden, Kevin, Kobe.
Classic
Longer-lasting names that tend to work beyond one naming trend or birth year.
Examples: Kit, Kian, Kevin, Khalil, Kaleb, Kingsley, Kareem, Kabir.
Modern
Contemporary-feeling names, shorter forms, and names that fit current baby-name browsing habits.
Examples: Kai, Kairo, Kayden, Kobe, Kylo, Kyrie, Kaiden, Kobie.
Nature
Names connected with plants, seasons, sky, water, animals, landscape, or natural imagery.
Examples: Kai, Koa, Kyle, Keanu, Keith, Kendall, Keaton, Kamden.
Spiritual and meaning-led
Names where meaning, faith tradition, virtue, or symbolic use may matter more than sound alone.
Examples: Kaleb, Kyrie, Kiaan, Karim, Krishiv, Kiyaan, Krish, Kacper.
Distinctive
Less expected choices that may suit parents looking beyond the most familiar shortlist.
Examples: Kylo, Kyro, Kyaire, Kash, Kasen, Korbin, Kylan, Kaison.
How To Use This List
Use the entries as a starting point for characters, projects, profiles, quizzes, team names, stories, or naming research. The short explanations help the joke land without turning the page into a dictionary.
If you need a fresh set of ideas after browsing, the related generator can create more names you can copy, save, or refine with filters.
Generate more
Want more ideas like these?
Browse the list first, then use the related generator when you want a fresh batch to compare, copy, or save. For broader discovery, start with the main name generator and then narrow the results with a focused list like this one.
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