Chōkai may refer to:
* Two warships of the Imperial Japanese Navy:
** , a ''Takao''-class heavy cruiser, which saw service in World War II
** , a ''Maya''-class gunboat, which saw service in the First Sino-Japanese War and the Russo-Japanese War
* One warship of the Japan Maritime Self-Defense Force
** Japanese destroyer , a ''Kongō''-class guided missile destroyer commissioned in 1998
*
Chōkai, Akita
was a town located in Yuri District, Akita Prefecture, Japan.
In 2003, the town had an estimated population of 6,359 and a density of 19.72 persons per km². The total area is 322.53 km². The town is named for the nearby Mount Chōkai which i ...
, a town merged to form the new city of Yurihonjō, Japan
*
Mount Chōkai, a prominent mountain in northern Japan
*
9110 Choukai, an asteroid
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