Alfa Agkimpou Ntiallo Fasengas (born 13 October 1992), is a Guinean professional basketball player for Doukas.
After playing with the youth clubs of Olimpia Larissa, Panathinaikos, and Ikaros, Ntiallo began his professional career in the Greek 2nd Division with Panerythraikos in 2012. He then moved to the Greek 2nd Division club Irakleio. He moved to Filathlitikos in 2013.
He joined Pagrati in 2014, and then in 2015, he moved to Xuventude to play in the Spanish 3rd Division.