Piteris Hortonas (g. 1953 m. rugpjūčio 20 d.) – amerikiečių aktorius ir režisierius. Iki 1991 m. jis vaidino prof. Gary Shepherd vaidmenį populiariame televizijos seriale „Thirtysomething“.
Peter Horton (born August 20, 1953) is an American actor and director. He played the role of Prof. Gary Shepherd on the popular television series Thirtysomething until 1991.