| Mojtaba Mamashli | |
| Fullname: | Mojtaba Mamashli |
| Birth Date: | 14 May 1988 |
| Birth Place: | Minudasht, Iran |
| Currentclub: | Nassaji Mazandaran |
| Clubnumber: | 5 |
| Position: | Defender |
| Years1: | 2012–2015 |
| Clubs1: | Parseh Tehran |
| Caps1: | 68 |
| Goals1: | 7 |
| Years2: | 2015–2017 |
| Clubs2: | Sanat Naft |
| Caps2: | 16 |
| Goals2: | 0 |
| Years3: | 2017– |
| Clubs3: | Nassaji Mazandaran |
| Caps3: | 30 |
| Goals3: | 9 |
| Pcupdate: | 19 December 2015 |
| Ntupdate: | 22 January 2016 |
Mojtaba Mamashli (Persian: مجتبی ممشلی; born October 14, 1988) is an Iranian football midfielder who plays for Nassaji Mazandaran in Iran Pro League.