Stephen Porter

• Stephen Porter (director), American stage and television director, producer, set designer, and writer
• Stephen Porter (professor), professor of oral medicine at the Eastman Dental Institute of University College London
• Stephen G. Porter, Republican member of the U.S. House of Representatives from Pennsylvania
• Steve Porter (singer), American pioneer recording artist
• Steve Porter (producer), American house music DJ and producer
• Steve Porter (wheelchair rugby), Australian Paralympic wheelchair rugby union player
• Steven Porter (Canadian politician), member of the Legislative Assembly of New Brunswick
• Stephen C. Porter, professor of geological sciences and director of the Quaternary Research Center, University of Washington