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 whi ...
, a town merged to form the new city of Yurihonjō, Japan
*
Mount Chōkai
is an active volcano located on the border of Akita and Yamagata in the Tōhoku region of Japan, and is tall. Because of its (roughly) symmetrical shape and massive size, it is also variously known as , or depending on the location of the vi ...
, a prominent mountain in northern Japan
*
9110 Choukai, an asteroid
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