Best Sibling Names for Poseidon

Names chosen to complement Poseidon — matching origin (Greece), era, and style.

200 options127 girl107 boy
These sibling names share Poseidon's Greece roots or similar popularity era, and start with a different letter to avoid alliteration.
Sophia
Poseidon & Sophia
Girl
Greece
wisdom
#5
Theodore
Poseidon & Theodore
Boy
Greece
Theodōros (Θεόδωρος), meaning 'gift of God'.
#7
Sofia
Poseidon & Sofia
Girl
Greece
Greek
#12
Alexander
Poseidon & Alexander
Boy
Greece
defender of the people
#22
Chloe
Poseidon & Chloe
Girl
Greece
blooming
#26
Luke
Poseidon & Luke
Boy
Greece
Greek
#31
Elias
Poseidon & Elias
Boy
Greece
Ελίας - 'Yahweh is my God'
#36
Athena
Poseidon & Athena
Girl
Greece
Goddess of wisdom and warfare
#76
Nicholas
Poseidon & Nicholas
Boy
Greece
victory of the people
#109
Khloe
Poseidon & Khloe
Unisex
Greece
young green shoot, bud
#216
Thea
Poseidon & Thea
Unisex
Greece
In Greek, Thea (Θεά) means 'goddess' or 'divine.'
#321
Orion
Poseidon & Orion
Unisex
Greece
Greek
#373
Demi
Poseidon & Demi
Unisex
Greece
half
#394
Ares
Poseidon & Ares
Unisex
Greece
Greek
#414
Apollo
Poseidon & Apollo
Unisex
Greece
of Apollo, god of the sun, music, and prophecy
#434
Alexis
Poseidon & Alexis
Unisex
Greece
Greek
#448
Atreus
Poseidon & Atreus
Boy
Greece
Greek
#457
Maia
Poseidon & Maia
Girl
Greece
mother, nurse
#459
Lyra
Poseidon & Lyra
Girl
Greece
lyre, a stringed musical instrument
#482
Karissia
Poseidon & Karissia
Girl
Greece
grace; kindness
#501
Maxis
Poseidon & Maxis
Boy
Greece
the greatest
#501
Sophiamaria
Poseidon & Sophiamaria
Girl
Greece
Greek
#502
Alizander
Poseidon & Alizander
Boy
Greece
Greek
#521
Alecxis
Poseidon & Alecxis
Boy
Greece
defender of mankind
#522
Ilaina
Poseidon & Ilaina
Girl
Greece
shining light
#525
Amarantha
Poseidon & Amarantha
Girl
Greece
unfading
#537
Thomas
Poseidon & Thomas
Boy
Greece
Twin
#41
Xenon
Poseidon & Xenon
Boy
Greece
Stranger
#542
Leto
Poseidon & Leto
Unisex
Greece
hidden
#543
Demetrion
Poseidon & Demetrion
Boy
Greece
Follower of Demeter; earth mother.
#545
Synaia
Poseidon & Synaia
Girl
Greece
from Sinai
#549
Andreous
Poseidon & Andreous
Boy
Greece
Greek
#558
Sebastyn
Poseidon & Sebastyn
Boy
Greece
Σεβαστιανός (Sebastianós) - Venerable, revered
#558
Demetrian
Poseidon & Demetrian
Boy
Greece
follower of Demeter
#563
Andrew
Poseidon & Andrew
Boy
Greece
Greek
#65
Nikolus
Poseidon & Nikolus
Boy
Greece
victory of the people
#576
Ioseph
Poseidon & Ioseph
Boy
Greece
יוסף (Yosef): 'He will add'
#578
Theo
Poseidon & Theo
Unisex
Greece
Divine gift
#78
Nautia
Poseidon & Nautia
Girl
Greece
of the sea
#594
Lydia
Poseidon & Lydia
Unisex
Greece
from Lydia
#95
Damian
Poseidon & Damian
Unisex
Greece
Greek
#108
Evangelena
Poseidon & Evangelena
Girl
Greece
Greek
#617
Aglaé
Poseidon & Aglaé
Girl
Greece
brightness, splendor
#624
Mayas
Poseidon & Mayas
Boy
Greece
the brave one
#626
Melanie
Poseidon & Melanie
Unisex
Greece
Dark-skinned or black.
#130
Aleithia
Poseidon & Aleithia
Girl
Greece
Truth
#636
Nesia
Poseidon & Nesia
Girl
Greece
Derived from 'nesos' meaning 'island' or a diminutive of 'Nesia,' often related to goddess names.
#637
Ilithya
Poseidon & Ilithya
Girl
Greece
Greek
#648
Leon
Poseidon & Leon
Unisex
Greece
Meaning 'lion'
#148
Klhroe
Poseidon & Klhroe
Girl
Greece
Greek
#652
Sopia
Poseidon & Sopia
Girl
Greece
Greek
#653
Alexandrah
Poseidon & Alexandrah
Girl
Greece
Defender of man
#661
Ele
Poseidon & Ele
Girl
Greece
light, torch
#669
Helo
Poseidon & Helo
Boy
Greece
the sun
#680
Elenis
Poseidon & Elenis
Girl
Greece
a variation of Helen, meaning 'light' or 'shining light'
#690
Alexia
Poseidon & Alexia
Unisex
Greece
Defender, protector, helper
#696
Kyra
Poseidon & Kyra
Unisex
Greece
lady
#698
Sias
Poseidon & Sias
Boy
Greece
Greek
#698
Alex
Poseidon & Alex
Unisex
Greece
Greek
#203
Alexandra
Poseidon & Alexandra
Unisex
Greece
defender of mankind
#204
Illythia
Poseidon & Illythia
Girl
Greece
midwife, healer
#706
Acacius
Poseidon & Acacius
Boy
Greece
Not being troubled.
#711
Ismene
Poseidon & Ismene
Girl
Greece
knowledgeable
#711
Timothy
Poseidon & Timothy
Boy
Greece
From 'Timotheos', meaning 'honoring God' or 'in the honor of God'.
#211
Arkangel
Poseidon & Arkangel
Boy
Greece
Greek
#715
Tyche
Poseidon & Tyche
Girl
Greece
luck
#718
Alexea
Poseidon & Alexea
Girl
Greece
defender of mankind
#721
Nikkos
Poseidon & Nikkos
Boy
Greece
victorious
#722
Amyrion
Poseidon & Amyrion
Boy
Greece
the one who is brave
#724
Xairexis
Poseidon & Xairexis
Girl
Greece
Greek
#726
Akadia
Poseidon & Akadia
Girl
Greece
from Arcadia, which describes a region of peace and harmony
#735
Kyrie
Poseidon & Kyrie
Unisex
Greece
Greek
#237
Dimar
Poseidon & Dimar
Boy
Greece
Derived from 'Dimitrios', meaning 'follower of Demeter'.
#759
Antanasia
Poseidon & Antanasia
Girl
Greece
resurrection,
#764
Alexzandar
Poseidon & Alexzandar
Boy
Greece
Defender of men
#769
Lyris
Poseidon & Lyris
Girl
Greece
lyre; harmony
#770
Alezandra
Poseidon & Alezandra
Girl
Greece
Greek
#774
Aries
Poseidon & Aries
Unisex
Greece
Referring to the astrological sign of the Ram.
#785
Ambrose
Poseidon & Ambrose
Unisex
Greece
Greek
#788
Demas
Poseidon & Demas
Boy
Greece
Derived from the Greek name Δεμάς, meaning ‘the people’s opinion’ or ‘popular opinion’.
#790
Arkadian
Poseidon & Arkadian
Boy
Greece
Greek
#800
Niccolas
Poseidon & Niccolas
Boy
Greece
Greek
#812
Damien
Poseidon & Damien
Unisex
Greece
To tame
#330
Thanatos
Poseidon & Thanatos
Boy
Greece
death
#834
Kenteria
Poseidon & Kenteria
Girl
Greece
Greek
#835
Joanna
Poseidon & Joanna
Unisex
Greece
Hebrew
#339
Kiriana
Poseidon & Kiriana
Girl
Greece
belonging to the Lord
#839
Nikera
Poseidon & Nikera
Girl
Greece
Victory
#843
Daemeon
Poseidon & Daemeon
Boy
Greece
A beloved name with deep roots
#845
Iakona
Poseidon & Iakona
Boy
Greece
Derived from the name 'Jacobus', meaning 'supplanter'
#860
Stephen
Poseidon & Stephen
Boy
Greece
Crown or Garland
#363
Tíea
Poseidon & Tíea
Unisex
Greece
of the earth
#867
Demetriona
Poseidon & Demetriona
Girl
Greece
Follower of Demeter, the goddess of harvest.
#875
Maximous
Poseidon & Maximous
Boy
Greece
the greatest
#881
Ecclesia
Poseidon & Ecclesia
Girl
Greece
assembly
#883
Helen
Poseidon & Helen
Girl
Greece
light, torch
#395
Yeleini
Poseidon & Yeleini
Girl
Greece
Light, bright
#896
Alexandria
Poseidon & Alexandria
Unisex
Greece
defender of mankind
#403
Liddia
Poseidon & Liddia
Girl
Greece
Greek
#904
Alekos
Poseidon & Alekos
Boy
Greece
defender of mankind
#908
Sidona
Poseidon & Sidona
Girl
Greece
Greek
#908
Damon
Poseidon & Damon
Unisex
Greece
One who tames, subdues
#425
Makarius
Poseidon & Makarius
Boy
Greece
Greek
#926
Ulizes
Poseidon & Ulizes
Boy
Greece
Greek
#926
Damyen
Poseidon & Damyen
Boy
Greece
To tame or subdue
#933
Akiles
Poseidon & Akiles
Boy
Greece
the one who will be a hero
#943
Aleksia
Poseidon & Aleksia
Girl
Greece
Defender of mankind
#944
Valasia
Poseidon & Valasia
Girl
Greece
Greek
#944
Kronos
Poseidon & Kronos
Boy
Greece
The personification of time; the father of Zeus
#945
Galatea
Poseidon & Galatea
Girl
Greece
Greek
#951
Helena
Poseidon & Helena
Girl
Greece
torch
#457
Neo
Poseidon & Neo
Unisex
Greece
new
#974
Demerus
Poseidon & Demerus
Boy
Greece
of the people
#975
Vasia
Poseidon & Vasia
Girl
Greece
Royal, kingly.
#988
Eretira
Poseidon & Eretira
Girl
Greece
a woman from Eritrea
#991
Margaretta
Poseidon & Margaretta
Girl
Greece
pearl
#501
Theoplis
Poseidon & Theoplis
Boy
Greece
Θεόφιλος - meaning 'friend of God'.
#502
Megale
Poseidon & Megale
Boy
Greece
Greek
#503
Ulys
Poseidon & Ulys
Boy
Greece
Greek
#503
Barbaraa
Poseidon & Barbaraa
Girl
Greece
strange, foreign
#508
Thomos
Poseidon & Thomos
Boy
Greece
twin
#510
Thamia
Poseidon & Thamia
Girl
Greece
one who is to be valued or valued one
Castoria
Poseidon & Castoria
Girl
Greece
One who is from Casterley; could also mean 'pure'
#512
Kazandra
Poseidon & Kazandra
Girl
Greece
defender of man
#512
Lycurgus
Poseidon & Lycurgus
Boy
Greece
wolf worker
#514
Thema
Poseidon & Thema
Girl
Greece
theme or subject matter
#514
Dorus
Poseidon & Dorus
Boy
Greece
A beloved name with deep roots
#515
Evagene
Poseidon & Evagene
Girl
Greece
Well-born, noble.
#515
Speros
Poseidon & Speros
Boy
Greece
Greek
#516
Lakyria
Poseidon & Lakyria
Girl
Greece
the one who is pure and sacred
Theoedore
Poseidon & Theoedore
Boy
Greece
Greek
Anastajia
Poseidon & Anastajia
Girl
Greece
resurrection
Efthymia
Poseidon & Efthymia
Girl
Greece
Greek
Arimentha
Poseidon & Arimentha
Girl
Greece
swift
#519
Daimeon
Poseidon & Daimeon
Boy
Greece
To tame or subdue.
#519
Giorgos
Poseidon & Giorgos
Boy
Greece
Greek
Angeleia
Poseidon & Angeleia
Girl
Greece
αγγελία - angel or messenger
#521
Euclide
Poseidon & Euclide
Boy
Greece
glorious and good
#522
Klhloe
Poseidon & Klhloe
Girl
Greece
Greek
Crysania
Poseidon & Crysania
Girl
Greece
Golden or precious
#524
Euzelia
Poseidon & Euzelia
Girl
Greece
well-born, noble
#524
Manolis
Poseidon & Manolis
Boy
Greece
a form of Emmanuel, meaning God is with us
#524
Simitrio
Poseidon & Simitrio
Boy
Greece
belonging to the sun
Cyria
Poseidon & Cyria
Girl
Greece
Κυρία
#526
Zeneida
Poseidon & Zeneida
Girl
Greece
Greek
#526
Rhodena
Poseidon & Rhodena
Girl
Greece
Greek
#527
Dimia
Poseidon & Dimia
Girl
Greece
Greek
Savalas
Poseidon & Savalas
Boy
Greece
the savior
#530
Jonas
Poseidon & Jonas
Unisex
Greece
Dove
#534
Theus
Poseidon & Theus
Boy
Greece
Greek
#534
Alexius
Poseidon & Alexius
Unisex
Greece
Αλέξιος (Defender)
#535
Eury
Poseidon & Eury
Boy
Greece
Greek
#537
Dianthe
Poseidon & Dianthe
Girl
Greece
divine flower
#541
Aggeliki
Poseidon & Aggeliki
Girl
Greece
Messenger; angelic
#542
Theone
Poseidon & Theone
Unisex
Greece
Greek
#545
Meliton
Poseidon & Meliton
Boy
Greece
Ancient Greek
#546
Ageliki
Poseidon & Ageliki
Girl
Greece
Greek
#550
Nectarios
Poseidon & Nectarios
Boy
Greece
Νεκτάριος
#551
Nota
Poseidon & Nota
Girl
Greece
a musical note
#552
Daphene
Poseidon & Daphene
Girl
Greece
laurel tree, symbol of victory
#554
Charika
Poseidon & Charika
Girl
Greece
Greek
#559
Katharine
Poseidon & Katharine
Unisex
Greece
Pure
#559
Andrue
Poseidon & Andrue
Boy
Greece
manly
#560
Dorothe
Poseidon & Dorothe
Girl
Greece
Greek
#563
Irmiás
Poseidon & Irmiás
Boy
Greece
guardian of the oath
Aryadne
Poseidon & Aryadne
Girl
Greece
most holy
Dorelia
Poseidon & Dorelia
Girl
Greece
a form of the name 'Doris', meaning 'of the sea'
#566
Christipher
Poseidon & Christipher
Boy
Greece
Bearer of Christ
#568
Myrra
Poseidon & Myrra
Girl
Greece
Greek
Olethia
Poseidon & Olethia
Girl
Greece
Greek
#569
Capus
Poseidon & Capus
Boy
Greece
Greek
#570
Galen
Poseidon & Galen
Unisex
Greece
calm, healer
#570
Eustis
Poseidon & Eustis
Boy
Greece
well-pleased, satisfaction
#573
Lygia
Poseidon & Lygia
Girl
Greece
a lyre or musical instrument; from the word 'lygus', a reference to a type of locust
#575
Andropolis
Poseidon & Andropolis
Boy
Greece
Man city
#579
Jocasta
Poseidon & Jocasta
Girl
Greece
Greek
#581
Nichalaus
Poseidon & Nichalaus
Boy
Greece
victory of the people
#581
Stphen
Poseidon & Stphen
Boy
Greece
crown, wreath
#582
Melitta
Poseidon & Melitta
Girl
Greece
Honeybee
#583
Andrenika
Poseidon & Andrenika
Girl
Greece
brave, strong
#584
Clida
Poseidon & Clida
Girl
Greece
Pride
#585
Sasia
Poseidon & Sasia
Girl
Greece
the gift of the goddess
#585
Sotiris
Poseidon & Sotiris
Boy
Greece
Greek
Iolia
Poseidon & Iolia
Girl
Greece
Violet, a flower; also can refer to dawn or daybreak.
#588
Jeorgina
Poseidon & Jeorgina
Girl
Greece
earthworker; farmer
#589
Delia
Poseidon & Delia
Unisex
Greece
from Delos
#590
Danayia
Poseidon & Danayia
Girl
Greece
Greek
Melica
Poseidon & Melica
Girl
Greece
honey
#591
Demetrias
Poseidon & Demetrias
Unisex
Greece
Of Demeter; belonging to the earth.
#592
Alexan
Poseidon & Alexan
Boy
Greece
Defender of the people
#597
Asiane
Poseidon & Asiane
Girl
Greece
Greek
Corene
Poseidon & Corene
Girl
Greece
maiden, girl
#598
Anatolia
Poseidon & Anatolia
Girl
Greece
the land where the sun rises
Konstantino
Poseidon & Konstantino
Boy
Greece
Constant, steadfast
#604
Hodalis
Poseidon & Hodalis
Girl
Greece
Brightness or Shining
Mariamne
Poseidon & Mariamne
Girl
Greece
Greek
Dorian
Poseidon & Dorian
Unisex
Greece
Greek
#608
Theressa
Poseidon & Theressa
Girl
Greece
Greek
#611
Loanna
Poseidon & Loanna
Girl
Greece
God is gracious
#612
Stamatios
Poseidon & Stamatios
Boy
Greece
immortal
#615