Marius Popp (21 September 1935, in Sibiu – 8 November 2016) was a Romanian jazz pianist and composer.Popp, who graduated from the Institute of Architecture Ion Mincu in Bucharest, studied with Maricica Neagu (piano), Ana Severa Bentia (piano), Alexandru Pascanu (musical theory, solfège, harmony), and Corneliu Gheorghiu (piano).