Maurice El Mediouni, French El Médioni (Arabic مــوريــس الــمــديــونــي, born Oran, 18 October 1928) is an Algerian pianist, composer and interpreter of Andalusian, rai, Sephardic and Arab music. He is one of the few living artists to have performed with artists such as Lili Labassi, Line Monty, Lili Boniche, Samy el Maghribi, and Reinette l’Oranaise.

Born in the Jewish quarter of Oran, in a family of musicians. His uncle was the celebrated Messaoud El Mediouni, "Saoud l'Oranais" who died at the Sobibor concentration camp. He is sometimes regarded as the grandfather of Algerian pop music.