| Aliou Dia | |
| Birth Date: | 30 May 1990 |
| Birth Place: | Roubaix, France |
| Position: | Defender |
| Youthyears1: | 2002–2004 |
| Youthclubs1: | SCO Roubaix 59 |
| Youthyears2: | 2004–2008 |
| Youthclubs2: | Mouscron |
| Years1: | 2008–2010 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2010–2012 |
| Caps2: | 48 |
| Goals2: | 0 |
| Years3: | 2012 |
| Caps3: | 1 |
| Goals3: | 0 |
| Club-Update: | 13 October 2012 |
Aliou Dia (born 30 May 1990 in Roubaix, France) is a French footballer who last played for Brussels. Before, Dia has played 17 matches for Mons of the Belgian Pro League, the top league of football in Belgium.