Ota Petřina (4 June 1949 – 11 July 2015) was a Czech guitarist and songwriter. During his career, he primarily wrote songs for other artists, including Marta Kubišová, Helena Vondráčková, Václav Neckář, and Petra Janů. He was also the leader of Neckář's band Bacily. He released two solo albums, 1978's Super – robot and 1983's Pečeť.