List of Famous people named Cosmas

Cosmas of Prague was a priest, writer and historian born in a noble family in Bohemia. Between 1075 and 1081, he studied in Liège. After his return to Bohemia, he became a priest and married Božetěcha, with whom he probably had a son. In 1086, Cosmas was appointed prebendary (canonicus) of Prague, a prestigious position. As prebendary he also travelled through Europe on official matters.

Cosmas Batubara was an Indonesian politician. He was chairman and the co-founder of KAMI, an Indonesian anti-communist student group. He was one of the strongest proponent for the banning of the Communist Party of Indonesia and the arrest of fifteen ministers, including Subandrio.

Cosmas the Priest, also known as Cosmas the Presbyter or Presbyter Cosmas, was a medieval Bulgarian priest and writer. Cosmas is most famous for his anti-Bogomil treatise Sermon Against the Heretics, which, despite not being conclusively dated, is generally ascribed to the 10th century. The treatise is a valuable source on the beginnings of the Bogomil heresy in Bulgaria, as well as on medieval Bulgarian society.

Cosmas Magaya was a Zimbabwean mbira musician.