| Native Name: | محمدرضا نوايى |
| Native Name Lang: | ira |
| Birth Date: | 1 December 1948 |
| Birth Place: | Tehran, Iran |
| Death Place: | Tehran, Iran |
| Height: | 169 cm |
| Weight: | 62 kg |
| Sport: | Wrestling |
| Event: | Freestyle |
| Show-Medals: | yes |
Mohammad Reza Navaei (1 December 1948 – 3 August 2020) was an Iranian lightweight freestyle wrestler. He won bronze medals at the 1973 World Wrestling Championships and 1974 Asian Games, and competed at the 1976 Summer Olympics.
Reza Navaei was the coach of Iran's wrestling team at the 1988 Summer Olympics and an assistant coach at 1992 Summer Olympics, 1990 World Wrestling Championships, 1991, 1993, and 1994. He was also the coach of Indonesia's team at the 1978 World Wrestling Championships.