Castor

Greek; Latin

"beaver; pious one"

Castor Origin and Meaning

The name Castor is a boy's name of Greek origin meaning "beaver; pious one".

Forget the oil. It's one of the twins that make up the constellation Gemini, and a mythological name on the cutting-edge of fashion; used by Metallica's James Hetfield.

Castor Rank in Nameberry Top 1000

# 909 on Nameberry

Popularity of the name Castor

• 909 Nameberry 2025

20 Names Similar to Castor

These 20 names were selected by our users that were looking for other names like Castor.

• Helios
• Regulus
• Abraxas
• Fenrir
• Osiris
• Icarus
• Morpheus
• Eros
• Alastor
• Cato
• Aurelio
• Archimedes
• Seneca
• Tiberius
• Achilles
• Severus
• Orpheus
• Sora
• Odysseus
• Janus

Famous People Named Castor

• Castor of Rhodes Greek grammarian and rhetorician
• Drusus the Younger Roman consul, son of the Emperor Tiberius, nicknamed "Castor"
• Saint Castor of Apt French bishop of Apt
• Saint Castor of Karden German priest and hermit
• Castor Cantero Paraguayan football player
• Castor McCord American jazz saxophonist

The name Castor in Pop Culture

• Castor French, Italian, Spanish and Portuguese word for "beaver"
• Castor Troy villain in the movie 'Face/Off'
• Castor Oyl character in the Popeye cartoons
• Castor character in the video game "Spartan: Total Warrior"
• Lord Castor character in the 2007 movie "The Harpy"
• Castor character in movie "Tron: Legacy,"
• Castor Gobernador, character in 'The Courts of the Morning" by John Buchan
• Castor Wilds location in video game "The Legend of Zelda: The Minish Cap"
• Castor character in the Hunger Games series
• Castor used on TV series Orphan Black (details=spoiler)
• Castor Mr. D's (Dionysus) son and twin brother to Pollux in the Percy Jackson series
• Castor Teacher at the School for Evil in the School for Good and Evil books