| Birth Place: | Pabna, Bangladesh |
| Height: | 172 cm |
| Weight: | 71 kg |
| Sport: | Swimming |
| Club: | Bangladesh Navy |
| Coach: | Park Tae Goon |
| Education: | Jahangirnagar University |
| Show-Medals: | yes |
Mohammad Mahfizur Rahman (born 15 May 1993) is a Bangladeshi swimmer. He competed in the 50m freestyle event at the 2012 and 2016 Summer Olympics, and was Team Bangladesh national flag bearer at the 2012 Summer Olympics Parade of Nations.
Rahman has a degree in history from Jahangirnagar University. He is on active duty with the Bangladesh Navy.
He is one of the best freestyle swimmers in Bangladesh.