| Omar M'Dahoma | |
| Birth Date: | 10 September 1987 |
| Birth Place: | Dzaoudzi, Mayotte |
| Position: | Defender |
| Currentclub: | Istres |
| Years1: | 2004–2008 |
| Clubs1: | Marseille B |
| Years2: | 2008–2011 |
| Clubs2: | Marseille Endoume |
| Years3: | 2011–2012 |
| Clubs3: | Aurillac |
| Years4: | 2013–2015 |
| Clubs4: | Toulon Var |
| Years5: | 2015–2018 |
| Clubs5: | Aubagne |
| Caps5: | 61 |
| Goals5: | 5 |
| Years6: | 2018–2019 |
| Clubs6: | Athlético Marseille |
| Caps6: | 25 |
| Goals6: | 0 |
| Years7: | 2019– |
| Clubs7: | Istres |
| Caps7: | 10 |
| Goals7: | 1 |
| Nationalyears1: | 2015– |
| Nationalteam1: | Comoros |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Club-Update: | 01:52, 10 February 2020 (UTC) |
| Ntupdate: | 14:22, 15 November 2015 (UTC) |
Omar M'Dahoma (born 10 September 1987) is a Comorian international footballer who plays for French club FC Istres, as a defender.
Born in Dzaoudzi, Mayotte, M'Dahoma has played for Marseille B, Endoume Catalans, Aurillac, Toulon Var and Aubagne.
He made his international debut for Comoros in 2015.