The meaning of the name Caspian is From Qazvin, Iran. The origin of the name Caspian is English. This is the culture in which the name originated, or in the case of a word, the language.
Name taken from the Caspian Sea. Prince Caspian is a character by C.S. Lewis in his famous Chronicles of Narnia series. The Caspian sea was most likely named after the city of Qazvin, which was named for the ancient tribe of Cas.