Japanese ship Chōgei

Three Japanese naval vessels have been named Chōgei (長鯨; long whale):

• Japanese warship Chōgei Maru, a transport ship active during the Boshin War
• Japanese submarine tender Chōgei, a Jingei-class submarine tender of the Imperial Japanese Navy during World War II
• JS Chōgei, a Taigei-class submarine of the Japan Maritime Self-Defense Force launched in 2024