Akio Usami (宇佐美 彰朗, Usami Akio, born 31 May 1943) is a Japanese long-distance runner. He competed in the marathon at the 1968, 1972 and the 1976 Summer Olympics.^[1]

His most important win in his marathoning career occurred at the prestigious 1970 Fukuoka Marathon, in which he ran a personal best 2:10:37.8 (also setting a Japanese record at the time). He beat runner-up Kenny Moore by nearly a minute.^[2]