How to say it
CAS · pi · an
ˈkæs.pi.ən
Masculine
Caspian
Of the Caspian Sea
What it means
A name from the Caspian Sea, itself named for the ancient Caspi people.
Caspian takes its name from the Caspian Sea, the world's largest inland body of water, named for the ancient Caspi people who lived nearby. C.S. Lewis made it a first name with Prince Caspian in the Chronicles of Narnia. Watery, adventurous, and freshly stylish. Cas is the short. Said KASS-pee-un.
How to spell Caspian
The standard spelling is Caspian. Common variants include Caspien, Kaspian, but Caspian is the most widely used form.
Popularity over time
peaked at #491 in 2025, currently #491 in 2025.
Source: U.S. Social Security Administration, names given to at least 5 babies in a year, 1880–2025. Reviewed July 2026. See where the names are moving
Heads-up notes
- Nickname
Cas.
- Pop culture
Prince Caspian of Narnia.
Who's worn it
Historical figures, characters, and public faces who share the name. The cultural surface, for whatever weight you want to give it.
- Caspian the young king Prince Caspian in C.S. Lewis's The Chronicles of Narnia
Spelling variants
- Caspien
- Kaspian
Names with the same feeling
See Caspian from another angle
By meaning
Common questions
- What does the name Caspian mean?
- A name from the Caspian Sea, itself named for the ancient Caspi people.
- What does Caspian mean in English?
- In English, Caspian means "Of the Caspian Sea." Caspian takes its name from the Caspian Sea, the world's largest inland body of water, named for the ancient Caspi people who lived nearby. C.S. Lewis made it a first name with Prince Caspian in the Chronicles of Narnia. Watery, adventurous, and freshly stylish. Cas is the short. Said KASS-pee-un.
- How do you pronounce Caspian?
- Caspian is pronounced ˈkæs.pi.ən. Say it as CAS-pi-an, with the stress on the "cas" syllable.
- How do you spell Caspian?
- The standard spelling is Caspian. Common spelling variants include Caspien, Kaspian.
- Is Caspian a boy or girl name?
- Caspian is traditionally a masculine name.
- How popular is the name Caspian?
- Caspian ranked #491 in the U.S. in 2025, according to Social Security Administration data.