Oskar Homolka (August 12, 1898 - January 27, 1978) was an Austrian film and theatre actor. Homolka's strong European accent, stocky appearance, bushy eyebrows and rather Slavic-sounding name led many to believe he was Eastern European or Russian, but he was born in Vienna, Austria-Hungary.

Although his heavy European accent, stocky appearance, bushy eyebrows and vaguely Slavic-sounding name have caused many to think of Oscar Homolka as an Eastern European or Russian, he is actually Austrian, born in Vienna. He began his career on the Austrian stage, and his success there resulted in his securing work in the much more prestigious German theatrical community. Homolka was one of a flood of Jewish actors and theatrical people who fled Europe for the U.S. with the advent of Adolf Hitler and Naziism. Although he often played villainous roles--Communist spies, Soviet-bloc military officers or scientists and the like--he was nominated for an Oscar for his portrayal of Uncle Chris in I Remember Mama (1948).