| Boubacar Diallo | |
| Birth Date: | 25 December 1985 |
| Birth Place: | Kindia, Guinea |
| Height: | 1.85 m |
| Position: | Centre-back |
| Years1: | 2006–2009 |
| Clubs1: | Gazélec Ajaccio |
| Caps1: | 37 |
| Goals1: | 2 |
| Years2: | 2009–2010 |
| Clubs2: | Sporting Toulon Var |
| Caps2: | 20 |
| Goals2: | 0 |
| Years3: | 2010–2011 |
| Caps3: | 32 |
| Goals3: | 1 |
| Years4: | 2012–2014 |
| Clubs4: | Al Ahed |
| Caps4: | 25 |
| Goals4: | 1 |
| Totalcaps: | 114 |
| Totalgoals: | 4 |
| Nationalyears1: | 2008–2011 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
Boubacar Diallo (born 25 December 1985) is a Guinean former professional footballer who played as a centre-back. Between 2008 and 2011, he made four appearances for the Guinea national team.
He joined Slovak Super Liga club Spartak Trnava in summer 2010.[1]