Chōkai

Chōkai may refer to:
 * Two warships of the Imperial Japanese Navy:
 * JAPANESE CRUISER Chōkai, a Takao-class heavy cruiser, which saw service in World War II
 * JAPANESE GUNBOAT Chōkai, 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 JDS Chōkai, a Kongō-class guided missile destroyer commissioned in 1998
 * Chōkai, Akita, a town merged to form the new city of Yurihonjō, Japan
 * Mount Chōkai, a prominent mountain in northern Japan
 * 9110 Choukai, an asteroid