Kinji (written: 欣二, 欽治, 錦司 or キンジ in katakana) is a masculine Japanese given name. Notable people with the name include:
Kinji Akagawa (born 1940), American sculptor (1930–2003), Japanese actor, screenwriter and film director (1902–1992), Japanese scientist (1921–2010), American professional wrestler and actor (born 1953), Japanese badminton player
Fictional characters: Kinji Tohyama, a character from the anime series Aria the Scarlet Ammo