Stephen Porter is the name of:
Stephen Porter (director) (1925–2013), American stage and television director, producer, set designer, and writer
Stephen Porter (general) (born ca. 1962), an Australian Army general who is currently the Commander, 2nd Division
Stephen G. Porter (1869–1930), former Republican member of the U.S. House of Representatives from Pennsylvania
Steve Porter (singer) (1864–1946), American pioneer recording artist
Steve Porter (producer) (born ca. 1978), US house music DJ and producer
Steve Porter (wheelchair rugby) (born 1969), Australian Paralympic wheelchair rugby union player
Steve Porter (American football), List of Indiana Hoosiers in the NFL Draft 1972
Steven Porter (born 1943), former candidate for the Third Congressional District of Pennsylvania