Clifton Campbell is an American former sprinter specializing in the 400 metres and an inaugural World Athletics Indoor Championships silver medallist in the relay. After winning the 1986 World U20 4 × 400 m title and the 1988 NCAA Division I Indoor Track and Field Championships title in the 400 m for the Auburn Tigers, Campbell won the silver medal at the 1991 World Indoor Championships 4 × 400 m by virtue of running in the heat.