Stefan is a surname of German or Austrian origin, and may refer to:
Gary Stefan (born 1959), Canadian ice hockey player Greg Stefan (born 1961), Canadian ice hockey player Joseph Stefan (1835-1893), Austrian physicist Karl Stefan (1884-1951), American politician Oleg Stefan (born 1959), American actor Verena Stefan (1947–2017), Swiss-born feminist and writer
See also Stefan (given name), a masculine given name Brian Kim Stefans (born 1969), U.S. poet