| Steffen Zacharias | |
| Birth Date: | 11 April 1927 |
| Birth Place: | Hamburg, Germany |
| Death Place: | North Hollywood, U.S. |
| Occupation: | Actor |
| Years Active: | 1964–1987 |
Steffen Zacharias (April 11, 1927 – June 6, 1989) was a German-born Greek American character actor known for his roles in films and television in America and Italy.
Born in Germany to Greek parents, Zacharias grew up in the United States, where he worked in New York City as a stage director, before making his acting debut in The Reporter. He migrated to Italy in 1967, and quickly gained a reputation as a reliable performer of character roles in genre films, including several appearances alongside Terence Hill and Bud Spencer. In the late 1970s, he went back to the U.S., where he continued to play occasional supporting roles until his death from cancer in 1989.