| Khaidavyn Altankhuyag | |
| Weight Class: | Lightweight |
| Weight: | 60 kg |
| Height: | 168 cm |
| Nationality: | Mongolian |
| Birth Date: | 16 October 1946 |
Khaidavyn Altankhuyag (Хайдавын Алтанхуяг; born 16 October 1946) is a Mongolian boxer. He competed at the 1972 Summer Olympics and the 1976 Summer Olympics.[1] At the 1976 Summer Olympics, he lost to Tsvetan Tsvetkov of Bulgaria.[1]