Papa Alioune Diouf (born 22 June 1989) is a Senegalese professional footballer who plays as a right winger for Turkish club İstanbulspor.
Diouf earned his first cap with Senegal as a substitute in a friendly against the Mexico on 10 May 2010.
Born in Dakar, Senegal, Papa Diouf started his career at Touré Kunda, before moved to Dakar Université Club in 2009.
On 20 February 2011, the Bulgarian Litex Lovech confirmed Diouf has joined on loan until the end of the season. He made his A PFG debut on 27 February, coming on as a 52nd-minute substitute for Dejan Djermanović in the 3–0 victory over Minyor Pernik; he then scored his first goal for the club 38 minutes later.
On 20 September 2011, Swedish club Kalmar FF confirmed that they had reached a deal with Dakar UC regarding Diouf, as of 1 January 2012 he would go on a six-month loan to Kalmar, together with Archford Gutu from Dynamos Harare, Zimbabwe. On 14 March Kalmar FF announced that they had decided to purchase both Gutu and Diouf before Allsvenskan had started.
- Bulgarian A PFG (1): 2010–11