Given name & surname
Poseidon
Poseidon is a masculine given name from Ancient Greek.
Meaning & origin
Where it comes from
An origin associated with this spelling is Greek.
The story
In mythological stories, Poseidon is associated with the god of the waters.
Poseidon through the years
- Babies since 1880
- 344
- 344 boys · 0 girls
- Most popular year
- 2022
- 34 babies
- 2025
- 22
- #4,668 for boys
- 2021–25 vs 2016–20
- −5%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 22 U.S. birth records for boys, ranking No. 4,668 among boys’ names. Average annual use for boys was 5.3% lower in 2021–2025 than in 2016–2020. In 2025, New York had the largest reported state-level birth count for boys with this name (7).
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Poseidon’s family of names
Poseidon has a related form in Posidon. Poseidon has a related form in Posiydon. Poseidon has a related form in Posydon.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 3
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Appears in
Similar names
If you love Poseidon, these share its style, era, origin or sound, from outside its own family.
Aeson
>99% boys
Odysseus
Odysseus is a masculine given name from Ancient Greek.
>99% boys
Leto
Leto is a surname from Ancient Greek. It is used in English and Italian.
>99% boys
Perseus
Perseus is a masculine given name from Ancient Greek. It is used in Latin.
99% boys · 1% girls
Dionysus
>99% boys
Endymion
>99% boys
Pluto
>99% boys
Ajax
Ajax is a masculine given name from Latin, ultimately from Ancient Greek.
>99% boys