| Birth Date: | 9 December 1941 |
| Birth Place: | Toyama, Japan |
| Death Date: | 4 March 2015 (aged 73) |
| Height: | 1.63m (05.35feet) |
| Weight: | 70kg (150lb) |
| Sport: | Freestyle wrestling |
| Show-Medals: | yes |
Iwao Horiuchi (堀内 岩雄, 9 December 1941 – 4 March 2015) was a Japanese lightweight freestyle wrestler. He competed at the 1964 and 1968 Olympics and won a bronze medal in 1964. He also won a world title in 1963 and finished second in 1966.[1] [2] He died of diabetes in March 2015, aged 63.[3]