Best Sibling Names for Kasai

Names chosen to complement Kasai — matching origin (Japan), era, and style.

200 options17 girl200 boy
These sibling names share Kasai's Japan roots or similar popularity era, and start with a different letter to avoid alliteration.
Raiden
Kasai & Raiden
Boy
Japan
Thunder and lightning
#423
Tatsu
Kasai & Tatsu
Boy
Japan
dragon; to achieve; accomplished
#513
Isay
Kasai & Isay
Boy
Japan
to be found
#529
Taigen
Kasai & Taigen
Unisex
Japan
meaning not universally defined, can reflect various peaceful or serene elements depending on kanji used.
#556
Maiki
Kasai & Maiki
Boy
Japan
Flourishing
#586
Benten
Kasai & Benten
Boy
Japan
God of music and knowledge
#591
Shinnosuke
Kasai & Shinnosuke
Boy
Japan
meaning 'true' or 'real' combined with 'assistance'
#599
Comari
Kasai & Comari
Boy
Japan
the one who becomes a leader
#634
Souta
Kasai & Souta
Boy
Japan
From Japanese 颯 (sou) meaning "sudden, sound of the wind" and 太 (ta) meaning "thick, big". This name can also be formed of other kanji combinations.
#637
Gensen
Kasai & Gensen
Boy
Japan
Meaning 'source' or 'origin' depending on the kanji used.
#676
Ryion
Kasai & Ryion
Boy
Japan
Dragon
#683
Takobe
Kasai & Takobe
Boy
Japan
takabe) means 'high edge' or 'high side'.
#705
Daigen
Kasai & Daigen
Boy
Japan
Daigen) translates to 'Big Source' or 'Great Origin'
#732
Jiraiya
Kasai & Jiraiya
Boy
Japan
This name's meaning varies depending on the kanji used, with common interpretations being 'young' or 'new' and 'beyond'.
#735
Ryus
Kasai & Ryus
Boy
Japan
Dragon
#744
Rokko
Kasai & Rokko
Boy
Japan
rock; from the rock
#763
Tkai
Kasai & Tkai
Unisex
Japan
Cool, pleasant
#779
Shinobi
Kasai & Shinobi
Boy
Japan
to steal away
#788
Ryko
Kasai & Ryko
Boy
Japan
This name can be written using various kanji, but a common interpretation is 'good' (良) and 'child' (子)
#790
Jomei
Kasai & Jomei
Boy
Japan
Bright and clear
#804
Chozen
Kasai & Chozen
Boy
Japan
chosen, selected
#815
Takeru
Kasai & Takeru
Boy
Japan
to take; to seize
#819
Niko
Kasai & Niko
Boy
Japan
Finnish form of NICHOLAS, and a Croatian and Slovene short form of NIKOLA (1).
#320
Daiyon
Kasai & Daiyon
Boy
Japan
great ocean
#824
Tatsuki
Kasai & Tatsuki
Boy
Japan
dragon tree; to stand out; to stand firm.
#833
Jubei
Kasai & Jubei
Boy
Japan
Warrior
#835
Taizo
Kasai & Taizo
Boy
Japan
Could mean 'greatly/large' (大) if written with the kanji 大, and 'second' (次) if written with the kanji 次. However, the exact meaning can vary based on kanji.
#849
Daigo
Kasai & Daigo
Boy
Japan
great enlightenment
#853
Ryujin
Kasai & Ryujin
Boy
Japan
dragon god
#853
Taij
Kasai & Taij
Boy
Japan
big
#869
Makao
Kasai & Makao
Boy
Japan
someone who plays the flute or is associated with music
#884
Ien
Kasai & Ien
Boy
Japan
Peaceful
#889
Masun
Kasai & Masun
Boy
Japan
A person who is gentle and beautiful.
#911
Seigo
Kasai & Seigo
Boy
Japan
regal, clear day
#911
Akori
Kasai & Akori
Boy
Japan
Bright dweller
#919
Zen
Kasai & Zen
Unisex
Japan
A beloved name with deep roots
#935
Jyon
Kasai & Jyon
Boy
Japan
Purity, soundness; A variant of 'John', often used as an alternative spelling.
#939
Issey
Kasai & Issey
Boy
Japan
one hundred years
#500
Sakae
Kasai & Sakae
Unisex
Japan
A beloved name with deep roots
#504
Tomohiro
Kasai & Tomohiro
Boy
Japan
Wise, virtuous, abundant
#508
Angeal
Kasai & Angeal
Boy
Japan
Derived from the combination of 'angel' and 'real' or 'truth'.
Sho
Kasai & Sho
Boy
Japan
to fly
#511
Sabe
Kasai & Sabe
Boy
Japan
to be wise or to be knowledgeable
#516
Akira
Kasai & Akira
Unisex
Japan
bright, clear, or intelligent
Shigeru
Kasai & Shigeru
Boy
Japan
Meaning can vary but commonly translates as 'to excel' or 'to grow thick.'
#525
Makii
Kasai & Makii
Boy
Japan
Mr. or a man
Hikaru
Kasai & Hikaru
Boy
Japan
radiance, shine, light
#535
Shintaro
Kasai & Shintaro
Boy
Japan
New, big son
#535
Wataru
Kasai & Wataru
Boy
Japan
To be active, to be able
#538
Tokuo
Kasai & Tokuo
Boy
Japan
another world, man
#540
Eichi
Kasai & Eichi
Boy
Japan
Meaning varies: 'prosperous, glorious' (栄一) or 'wise one' (英一), depending on the kanji used.
#542
Say
Kasai & Say
Unisex
Japan
to do; to act
#544
Jaico
Kasai & Jaico
Boy
Japan
important person, hero
Jovari
Kasai & Jovari
Boy
Japan
noble
Ryusei
Kasai & Ryusei
Boy
Japan
Flowing star or dragon star.
Joron
Kasai & Joron
Boy
Japan
Second son
#557
Riki
Kasai & Riki
Unisex
Japan
child of the village
#567
Yoshiyah
Kasai & Yoshiyah
Boy
Japan
righteous calm
Tadan
Kasai & Tadan
Boy
Japan
to stand or to be upright
Ryunosuke
Kasai & Ryunosuke
Boy
Japan
dragon and help; assistance of a dragon.
Tomo
Kasai & Tomo
Boy
Japan
Either a variant of TOMA (2) or a diminutive of TOMISLAV.
Masaaki
Kasai & Masaaki
Boy
Japan
elegant, graceful
#573
Shizuo
Kasai & Shizuo
Boy
Japan
meaning 'quiet man'
#577
Ren
Kasai & Ren
Unisex
Japan
From Japanese 蓮 (ren) meaning "lotus", 恋 (ren) meaning "love", or other kanji which are pronounced the same way.
Tadao
Kasai & Tadao
Boy
Japan
loyal, correct
#589
Tetsu
Kasai & Tetsu
Boy
Japan
iron, steel
#593
Seikichi
Kasai & Seikichi
Boy
Japan
seiki; pure, clean; lucky, auspicious
#599
Sotaro
Kasai & Sotaro
Boy
Japan
A helper or assistance; ft typically involves the first character meaning 'help' or 'aid'.
Makari
Kasai & Makari
Boy
Japan
the one who will be happy
Toki
Kasai & Toki
Unisex
Japan
Can mean 'time' (時) or 'a bird' depending on context and kanji used.
#610
Aizen
Kasai & Aizen
Boy
Japan
love and benevolence
Tamotsu
Kasai & Tamotsu
Boy
Japan
Defender; protector.
#618
Sony
Kasai & Sony
Boy
Japan
Son, child.
#620
Mano
Kasai & Mano
Boy
Japan
A work of art
#622
Sunao
Kasai & Sunao
Boy
Japan
honest, straightforward
#623
Ramen
Kasai & Ramen
Boy
Japan
Soft, gentle
#624
Shuji
Kasai & Shuji
Boy
Japan
to discipline or adorn; second; excellent; govern or rule
#635
Seichi
Kasai & Seichi
Boy
Japan
sincerity, truth
#635
Yohei
Kasai & Yohei
Boy
Japan
Yohei can mean 'heroic peace' or 'excellent peace,' depending on the kanji characters used.
#636
Maruin
Kasai & Maruin
Boy
Japan
The name can translate as 'circle' (円, en) and 'breathe' (生, sei), signifying 'to breathe life into wholeness' or 'to maintain balance'.
#639
Jahiro
Kasai & Jahiro
Boy
Japan
Jahiro), where '自' means 'self' and '弘' means 'broad' or 'wide'.
#640
Hisao
Kasai & Hisao
Boy
Japan
long-lasting, heroic
#644
Isami
Kasai & Isami
Boy
Japan
brave
#644
Masuo
Kasai & Masuo
Boy
Japan
Masuo) translates to 'increase' and 'man'
#647
Mamoru
Kasai & Mamoru
Boy
Japan
to protect, to watch over
#648
Ato
Kasai & Ato
Boy
Japan
After, in the future; father
#654
Alexiel
Kasai & Alexiel
Boy
Japan
Defender of mankind
Sanin
Kasai & Sanin
Boy
Japan
yama ni) meaning 'in the mountain'
Menzō
Kasai & Menzō
Boy
Japan
Man's helper or manly
Shion
Kasai & Shion
Unisex
Japan
Poem; song
Shinobu
Kasai & Shinobu
Unisex
Japan
From Japanese 忍 (shinobu) meaning "endurance", as well as other kanji or kanji combinations having the same pronunciation.
#667
Shun
Kasai & Shun
Boy
Japan
to hasten, to accelerate
#678
Gaije
Kasai & Gaije
Boy
Japan
open sea
Toray
Kasai & Toray
Boy
Japan
a person who is tall or towering.
#694
Mikio
Kasai & Mikio
Boy
Japan
mighty or strong man
#698
Ikeni
Kasai & Ikeni
Boy
Japan
Peaceful river
Sadamu
Kasai & Sadamu
Boy
Japan
To clarify; to be clear.
#703
Romon
Kasai & Romon
Boy
Japan
A variation of the name Roman, often associated with being strong or powerful.
#704
Daimar
Kasai & Daimar
Boy
Japan
A name that can mean 'great' or 'large' when written with certain kanji.
#707
Masaru
Kasai & Masaru
Boy
Japan
excellence, to exceed or become victorious
#708
Meikhi
Kasai & Meikhi
Boy
Japan
brightness, radiance
Arata
Kasai & Arata
Boy
Japan
Fresh, new, or clear
Alco
Kasai & Alco
Boy
Japan
noble and kind
#718
Yousuke
Kasai & Yousuke
Boy
Japan
A name that can mean 'to assist' or 'to help' depending on the kanji used.
#721
Osamu
Kasai & Osamu
Boy
Japan
to be serenely settled or to be at peace
#729
Nobuyuki
Kasai & Nobuyuki
Boy
Japan
From Japanese 信 (nobu) meaning "trust" and 幸 (yuki) meaning "happiness". Other kanji combinations are possible as well.
#731
Noren
Kasai & Noren
Boy
Japan
to spiritually awaken or 'to open up'
#734
Tatsuo
Kasai & Tatsuo
Boy
Japan
The man who accomplishes (the goal)
#746
Musashi
Kasai & Musashi
Boy
Japan
Meaning 'Musashi' is traditionally associated with the region; it can also imply 'warrior'.
Tokio
Kasai & Tokio
Boy
Japan
estuary
#774
Yoshinori
Kasai & Yoshinori
Boy
Japan
Good Law or Good Rule
#778
Shoji
Kasai & Shoji
Boy
Japan
Shoji (将司) can mean 'commander' (将) and 'to rule' (司).
#782
Shigetoshi
Kasai & Shigetoshi
Boy
Japan
A name that can mean 'prosperous and virtuous'.
#784
Michio
Kasai & Michio
Boy
Japan
man of wisdom
#788
Masahiro
Kasai & Masahiro
Boy
Japan
generous, prosperous, or noble
#811
Shin
Kasai & Shin
Boy
Japan
True, genuine
#811
Daygoro
Kasai & Daygoro
Boy
Japan
Great power
#816
Yosue
Kasai & Yosue
Boy
Japan
May derive from the word for 'to come' or 'to govern'.
Eisuke
Kasai & Eisuke
Boy
Japan
Well-being and help
Teruo
Kasai & Teruo
Boy
Japan
teru meaning 'shine' and お meaning 'man'); 輝男 (teru meaning 'radiance' and 男 meaning 'man')
#834
Eiichi
Kasai & Eiichi
Boy
Japan
one second, one wisdom
#838
Haruyoshi
Kasai & Haruyoshi
Boy
Japan
spring (haru) and virtuous (yoshi)
#843
Naoya
Kasai & Naoya
Boy
Japan
A name meaning 'honest' or 'truthful'.
#844
Tatsuya
Kasai & Tatsuya
Boy
Japan
achieving / accomplished / full moon
#846
Iwao
Kasai & Iwao
Boy
Japan
Rock, stone (岩) + man (男)
#849
Masayuki
Kasai & Masayuki
Boy
Japan
Beneficial, prosperous
#865
Pason
Kasai & Pason
Boy
Japan
unknown, possibly derived from English
Yoichi
Kasai & Yoichi
Boy
Japan
One, first
#872
Riky
Kasai & Riky
Boy
Japan
can be a diminutive of names like Riki (strength) or Riku (land).; a shortened form of Richard or its variants.
#877
Sou
Kasai & Sou
Boy
Japan
soothing, purity
#887
Maiko
Kasai & Maiko
Unisex
Japan
child of the dance
#894
Mits
Kasai & Mits
Boy
Japan
Can mean 'light,' 'radiance,' or 'three.'
#900
Issay
Kasai & Issay
Boy
Japan
one who is joyful and cheerful
Yoshihiro
Kasai & Yoshihiro
Boy
Japan
the name can be broken down into 'yoshi' (良) meaning 'good,' and 'hiro' (広) meaning 'broad' or 'prosperous.'
#904
Naoki
Kasai & Naoki
Boy
Japan
honest tree
Mika
Kasai & Mika
Unisex
Japan
beautiful
Ohani
Kasai & Ohani
Boy
Japan
A person who is brave or heroic.
Yomo
Kasai & Yomo
Boy
Japan
Sunlight
#925
Genki
Kasai & Genki
Boy
Japan
In Japanese, Genki (元気) means 'healthy,' 'energetic,' or 'vitality.' It is often used colloquially to ask someone how they are; 'Genki desu ka?' means 'Are you well?'
#930
Yoshitaka
Kasai & Yoshitaka
Boy
Japan
Generous and prosperous.
#939
Wani
Kasai & Wani
Boy
Japan
Young male; potential
Shigeyuki
Kasai & Shigeyuki
Boy
Japan
heavy happiness'
#944
Shigeto
Kasai & Shigeto
Boy
Japan
Meaning varies depending on kanji
#949
Jyion
Kasai & Jyion
Boy
Japan
to pursue or to carry on
Junichi
Kasai & Junichi
Boy
Japan
The first son (as in 'jun', meaning 'first' + 'ichi', meaning 'one')
#956
Tatsuro
Kasai & Tatsuro
Boy
Japan
bamboo
#960
Gari
Kasai & Gari
Unisex
Japan
A person with a cheerful or bright demeanor
#969
Toshiaki
Kasai & Toshiaki
Boy
Japan
A name that can mean 'wise and prosperous' depending on the kanji used (敏明, 俊明 etc.).
#974
Tsubasa
Kasai & Tsubasa
Boy
Japan
From Japanese 翼 (tsubasa) meaning "wing", as well as other kanji or kanji combinations with the same pronunciation.
#983
Eita
Kasai & Eita
Boy
Japan
eternal, long-lasting
Toshiki
Kasai & Toshiki
Boy
Japan
Often means 'year', 'to live', or variations involving 'new' and 'to make'
#987
Hiromu
Kasai & Hiromu
Boy
Japan
abundant, prosperous
#988
Haruma
Kasai & Haruma
Boy
Japan
Spring, truthful.
Oji
Kasai & Oji
Boy
Japan
#991
Toma
Kasai & Toma
Unisex
Japan
blood or life; twin; to realize or fulfill
Toshiharu
Kasai & Toshiharu
Boy
Japan
Yearly, healing, or long-lasting.
Tomoaki
Kasai & Tomoaki
Boy
Japan
friend; think; bright
Shigeki
Kasai & Shigeki
Boy
Japan
growth of the benevolent
Nioh
Kasai & Nioh
Boy
Japan
A name often associated with strength or valor.
Masaharu
Kasai & Masaharu
Boy
Japan
correct' or 'righteous' plus 'to govern' or 'to manage'
Taki
Kasai & Taki
Boy
Japan
Noble, wealthy.; A nickname or diminutive for names like Takis, derived from the name Athanasios.
Takuya
Kasai & Takuya
Boy
Japan
one who is noble or excellent
Tetsuo
Kasai & Tetsuo
Boy
Japan
iron man
Nakuma
Kasai & Nakuma
Boy
Japan
a person who is calm or serene
Haruo
Kasai & Haruo
Boy
Japan
spring man
Nobuo
Kasai & Nobuo
Boy
Japan
manly; heroic
Shigeo
Kasai & Shigeo
Boy
Japan
Diligent man; a man of learning.; The meaning can vary based on the characters used to write the name. It can also mean 'wealthy man' if written differently.
Seiko
Kasai & Seiko
Unisex
Japan
meaning 'child of the holy' or 'child of the sacred'
Yoshikazu
Kasai & Yoshikazu
Boy
Japan
There are multiple possible meanings depending on the kanji used, including 'good rule' (良和) and 'to become' (良一)
Mikei
Kasai & Mikei
Boy
Japan
Beautiful blessing
Susumu
Kasai & Susumu
Boy
Japan
to proceed
Sadao
Kasai & Sadao
Boy
Japan
man of (or born in) the rice paddy
Mutsuo
Kasai & Mutsuo
Boy
Japan
deep water; vital, life-giving water
Yoshihiko
Kasai & Yoshihiko
Boy
Japan
good, virtuous, or righteous
Mayo
Kasai & Mayo
Unisex
Japan
Dance wisteria
Satoru
Kasai & Satoru
Boy
Japan
to understand
Riken
Kasai & Riken
Boy
Japan
the right choice; one who is strong
Shozo
Kasai & Shozo
Boy
Japan
The name can be written with different kanji characters for various meanings, but commonly includes aspects of 'to assist' or 'to help'.
Tein
Kasai & Tein
Boy
Japan
a person standing on the edge
Shige
Kasai & Shige
Boy
Japan
Typically means 'to grow', 'to prosper' or can also mean 'refined' depending on the kanji used.
Daiki
Kasai & Daiki
Boy
Japan
Great radiance or shining well
Yuuta
Kasai & Yuuta
Boy
Japan
gentleness, superiority
Edo
Kasai & Edo
Boy
Japan
Estuary
Yukio
Kasai & Yukio
Boy
Japan
man of happiness
Rintaro
Kasai & Rintaro
Boy
Japan
distant, thick, or big
Riyom
Kasai & Riyom
Boy
Japan
reason, logic
Nikkoli
Kasai & Nikkoli
Boy
Japan
the second son
Ryosuke
Kasai & Ryosuke
Boy
Japan
refreshed, clear, or to help
Masashi
Kasai & Masashi
Boy
Japan
meaning 'eagle', 'warrior', or 'ambition' depending on kanji used.
Matsuichi
Kasai & Matsuichi
Boy
Japan
The first son in the pine tree, where 'matsu' means pine tree and 'ichi' means one or first.
Masami
Kasai & Masami
Boy
Japan
From Japanese 成 (masa) meaning "become" and 美 (mi) meaning "beautiful". This name can also be comprised of different combinations of kanji.
Nobuichi
Kasai & Nobuichi
Boy
Japan
or のぶいち, which translates to 'trust' or 'faith' + 'one'
Takuto
Kasai & Takuto
Boy
Japan
noble
Gamari
Kasai & Gamari
Boy
Japan
friend to every person
Takai
Kasai & Takai
Boy
Japan
Tall, Noble
Vegeta
Kasai & Vegeta
Boy
Japan
A beloved name with deep roots
Hideki
Kasai & Hideki
Boy
Japan
From Japanese 秀 (hide) meaning "excellent, outstanding" or 英 (hide) meaning "excellent, fine" combined with 樹 (ki) meaning "tree". Other kanji combinations can also form this name.
Masanori
Kasai & Masanori
Boy
Japan
political law) or 正則 (correct rules)
Mitsugi
Kasai & Mitsugi
Boy
Japan
light and radiance
Yoshiaki
Kasai & Yoshiaki
Boy
Japan
Good, virtuous