Khalifa Ababacar Diop (born 15 January 2002) is a Senegalese professional basketball player for Baskonia of the Spanish Liga ACB and the EuroLeague.

[1] On 28 March 2019, Diop made his senior debut for Gran Canaria, recording three points and four rebounds in a 90–55 loss to Maccabi Tel Aviv in the EuroLeague.

[3] Diop was named EuroCup Rising Star and made the ACB All-Young Players Team for the 2021–22 season.

[8] Diop helped Senegal win the silver medal at the 2020 FIBA U18 African Championship in Egypt, where he averaged 12.6 points, 11.8 rebounds, 3.4 assists and 3.4 steals per game.

[10] In February 2022, Diop was selected for the Senegal senior national team for the qualifiers of the 2023 FIBA Basketball World Cup.