Koga (surname)

Koga (written: 古賀), Kōga, Kouga or Kohga is a Japanese surname. Notable people with the surname include:


 * Akira Koga (古賀 輝), Japanese badminton player
 * Aoi Koga (古賀 葵), Japanese voice actress
 * Atsushi Koga (古賀 淳), Japanese former rugby union player
 * Harue Koga (古賀 春江), Japanese painter active in the Taishō period
 * Hide Koga, nickname of Hidehiko Koga (古賀 英彦), Japanese baseball player
 * Hiroyasu Koga (古賀 浩靖), Yukio Mishima's kaishakunin
 * Issaku Koga (古賀 逸策), often written as Issac Koga, Japanese inventor and scientist
 * Issei Koga (古賀 一成), Japanese politician from Democratic Party of Japan
 * Junya Koga (古賀 淳也), Japanese swimmer
 * Kazunari Koga (古賀 一成), Japanese former footballer
 * Keitaro Koga (古賀 鯨太朗), former Japanese footballer
 * Koichiro Koga (古賀 幸一郎), Japanese volleyball player
 * Makoto Koga (古賀 誠), Japanese Liberal Democratic Party politician
 * Manabu Koga (古賀 学), Japanese swimmer
 * Mary Koga (1920-2001), Japanese-American photographer and social worker in Chicago
 * Masahiro Koga (古賀 正紘), Japanese former footballer
 * Masao Koga (古賀 政男), was a Japanese composer, guitarist and pop musician
 * Masato Koga (古賀 将之), a former Japanese football player
 * Masayuki Koga (古賀 正人), a Japanese shakuhachi player in USA
 * Michiko Koga (古賀 美智子) is the former stage name of F Chopper Koga (FチョッパーKOGA), Japanese bass player
 * Mineichi Koga (古賀 峯一), Fleet Admiral during World War II
 * Minoru Koga (古賀 穂), Japanese badminton player
 * Mitsuki Koga (虎牙 光揮), actor in martial arts films
 * Nobuaki Koga (古賀 伸明), Japanese unionist
 * Sarina Koga (古賀 紗理那), Japanese volleyball player
 * Satoshi Koga (古賀 聡), Japanese footballer
 * Seiji Koga (古賀 誠史), Japanese footballer
 * Shuntaro Koga (古賀 俊太郎), Japanese footballer
 * Tadayoshi Koga (古賀忠義), pilot of the Akutan Zero in World War II
 * Taichirō Koga (古賀 太一郎), Japanese volleyball player
 * Taiyo Koga (古賀 太陽), Japanese football player
 * Takahiro Koga (古賀 貴大), Japanese football player
 * Takeshi Koga (古賀 武), retired Japanese judoka
 * Takuma Koga (古賀 琢磨), Japanese former footballer
 * Takuma Koga (racing driver) (古賀 琢麻), Japanese stock car racing driver
 * Toru Koga (古賀 徹), a Japanese mixed martial artist
 * Toshihiko Koga (古賀 稔彦), a judo world champion
 * Toshinori Koga (古賀 俊憲), Japanese boxer
 * Victor Koga (1935-2018), Japanese-Russian martial artist
 * Yukiko Koga, anthropologist
 * Yun Kōga (高河 ゆん), Japanese manga artist
 * Yūsei Koga (古賀 悠聖), Japanese shogi player