Jay Mohr (born Jon Ferguson Mohr, August 23, 1970) is an American actor, comedian and radio host. He is known for his roles as film producer Peter Dragon in the TV comedy series Action, Professor Rick Payne in the TV series Ghost Whisperer (2006–2008), the title role in the CBS sitcom Gary Unmarried (2008–2010), as a featured cast member on the sketch comedy show Saturday Night Live (1993–1995), and as the back-stabbing sports agent Bob Sugar in Jerry Maguire (1996).

Since making his feature film debut with Jerry Maguire, he has appeared in films such as Suicide Kings (1997), Picture Perfect (1997), Paulie (1998), Mafia! (1998), Small Soldiers (1998), Go (1999), Cherry Falls (2000), The Adventures of Pluto Nash (2002), Are We There Yet? (2005), Street Kings (2008), Hereafter (2010) and The Incredible Burt Wonderstone (2013).