Antoni Szuniewicz (14 November 1911 in Leonowicze near Wilno - 12 March 1987 in Czestochowa) was a Polish organist, composer, conductor, choirmaster and music teacher.
In the years 1927 to 1931 he attended the School of Professional Organists in Montwilla, Vilnius, then he studied at the Vilnius Conservatory of Music with Mieczyslaw Karlowicz, in the class of Wladyslaw Kalinowski (1932-1934), and also composition with Tadeusz Szeligowski from 1934-1939.