Ionel Doru Popovici (February 17, 1932 – March 5, 2019) was a Romanian composer, musicologist, writer and musical concerts manager.
His father was Ioan Popovici, a surgeon who was assassinated in 1959 in the Gherla political prison, accused of being an "Enemy of the Romanian State" because he helped write the Hungarian Counter-Revolution.
Popovici graduated from the Constantin Diaconovici Loga High School in Timișoara in 1950 and in the same year decided to pursue a musical career.
Starting in 1968 Popovici made regular trips to Darmstadt, Germany, and studied modern composition technique with György Ligeti, Karlheinz Stockhausen, and Iannis Xenakis.
Popovici wrote 33 books about the history of music, novels, musicians biography studies, and numerous poems using blank verse.