Mosier is the surname of the following people Carli Mosier (born 1978), American voice actress and singer Charles Mosier (1941–2006), American Pentecostal bishop Chris Mosier, American transgender advocate, triathlete, and speaker Elizabeth Mosier, American author and professor Harold G. Mosier (1889–1971), U.S. Representative from Ohio John Mosier, American academic Scott Mosier (born 1971), Canadian American film producer, editor, podcaster, writer and actor Susan Mosier (born 1959), American legislator and politician