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Caspian

♂ Boy

Pronounced KAS-pee-un /ˈkæs.pi.ən/High

Meaning: From the Latin Caspius/Greek Kaspios, referring to the Caspian Sea region; possibly from the ancient Caspii people of the region; used as a given name primarily through C.S. Lewis's Prince Caspian characterMedium

In 30 seconds: Caspian is a sweeping geographical name from the ancient Caspian Sea, made famous as a given name by Prince Caspian in C.S. Lewis's Chronicles of Narnia. Adventurous, literary, and distinctive, it is one of fantasy fiction's finest name gifts.
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Origin MediumLatin, Greek
MeaningFrom the Latin Caspius/Greek Kaspios, referring to the Caspian Sea region; possibly from the ancient Caspii people of the region; used as a given name primarily through C.S. Lewis's Prince Caspian character
U.S. rank (2025)#491 ↗ Rising
2025 U.S. births614 boys (0.03% of U.S. boys)
Peak year2025
Total births (all-time)≈ 4,167

Popularity in the U.S. · SSA data

peak 202519982025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

History & Origin

Caspian derives from the Latin Caspius and Greek Kaspios, referring to the Caspian Sea and the ancient Caspii people who inhabited its shores. The sea itself may be named from an ancient tribal name of uncertain origin. As a given name, Caspian is primarily a modern literary name introduced through C.S. Lewis's Prince Caspian (1951).

Caspian has grown as a given name in the United States since the 2000s, appealing to parents who love the Chronicles of Narnia and those drawn to its exotic, adventurous sound. It now appears regularly in U.S. naming charts and ranks in the top 500 boys' names.

Did you know? C.S. Lewis named his Narnian prince Caspian after the Caspian Sea, reportedly because he loved the sound of the name and its evocation of distant, exotic waters. Since the books' publication, Caspian has been used as a given name by parents who fell in love with the prince's noble character.
Overall data confidence 80%
Behind the Name — Caspian — etymology and historyU.S. Social Security Administration — popularity data

Variations

CasperCaspar

Nicknames

CasCassCaz

Famous Bearers

  • ★Prince Caspian
    Fictional Narnian prince in C.S. Lewis's Chronicles of Narnia series

If you like Caspian…

Cassian— shares the Cas- prefix and the same literary, slightly rare quality
Florian— shares the flowing three-syllable Latin-rooted elegance
Dorian— equally literary and slightly mysterious with the same refined character
Bastian— shares the adventure-hero literary feel and the same flowing ending

Frequently Asked

What does Caspian mean?

Caspian refers to the Caspian Sea, from Latin Caspius/Greek Kaspios, possibly named after the ancient Caspii people. As a given name it carries the adventurous spirit of C.S. Lewis's Prince Caspian.

How do you pronounce Caspian?

Caspian is pronounced KAS-pee-un /ˈkæs.pi.ən/ — three syllables with stress on the first.

Is Caspian from Narnia?

Yes. Prince Caspian is a central character in C.S. Lewis's Chronicles of Narnia, appearing in Prince Caspian (1951) and later books. Lewis took the name from the Caspian Sea.

Is Caspian a popular boys' name?

Caspian has been growing in the U.S. since the 2000s and now appears in the top 500 boys' names, valued for its literary adventure and distinctive sound.