| Birth Date: | December |
| Birth Place: | Faridpur, Dhaka, Bangladesh |
| Clubs1: | Metro Express Barishal |
| Years1: | 2022 |
| Nationalteam1: | Bangladesh |
| Nationalcaps1: | Na |
| Nationalgoals1: | Na |
Mamunur Rahman Chayan (Bengali: মামুনুর রহমান চয়ন) is a former international field hockey player in Bangladesh. He was the captain of the Bangladesh national field hockey team.[1]