Daigo is both a masculine Japanese given name and a surname. Notable people with the name include:
Surname:
Daigo Fuyumoto (1648–1697), Japanese court noble who founded the family branch
Naoyuki Daigo (born 1981), Japanese high jumper
Tadashige Daigo (1891–1947), Imperial Japanese Navy admiral during World War II
Toshirō Daigo (born 1926), Japanese 10th dan judoka
Given name:
Daigo Hisateru (1937–1983), Japanese sumo wrestler
Daigō Kenshi (born 1952), Japanese sumo wrestler
Daigo Kobayashi (born 1983), footballer
Daigo Matsuura (born 1969), Japanese politician
Daigo Saito (born 1980), Japanese professional drifting driver
Daigo Umehara (born 1981), Japanese professional video gamer
Daigo (musician) (born 1978), Japanese musician, main vocalist of Breakerz
