Babacar Niasse (born 20 December 1996) is a professional footballer who plays as a goalkeeper for Moroccan club Difaâ El Jadida. Born in Senegal, he plays for the Mauritania national team.
Niasse was an attacking midfielder, but changed to a goalkeeper and is known for his exceptional height. An Aspire Academy youth graduate, he joined Eupen in 2015.
On 21 August 2019, Niasse signed a three-year contract with Portuguese Primeira Liga club Tondela.
On 21 July 2023, Niasse signed a two-year contract with Ligue 2 club Guingamp.
Born in Senegal, Niasse is of Mauritanian descent. He was the goalkeeper for the Senegal U17 selection for the 2011 African U-17 Championship. He was called up to represent the senior Mauritania national team for a set of friendlies in March 2022.