| Abubakar Mahdi | |
| Office: | Senator for Borno South |
| Term Start: | 3 June 1999 |
| Term End: | 3 June 2003 |
| Predecessor: | Himself (1993) |
| Successor: | Omar Hambagda |
| Term Start1: | 5 December 1992 |
| Term End1: | 17 November 1993 |
| Successor1: | Himself (1999) |
| Birth Place: | Borno State, Nigeria |
Abubakar Mahdi was elected Senator for the Borno South constituency of Borno State, Nigeria at the start of the Nigerian Fourth Republic, running on the People's Democratic Party (PDP) platform. He took office on 29 May 1999.[1] After taking his seat in the Senate he was appointed to committees on Security & Intelligence, Foreign Affairs (Vice-Chairman), Power & Steel, Federal Character and Federal Capital Territory.[2]