Marcus Anthony Slaughter (born March 18, 1985) is an American former professional basketball player.

After going undrafted in the 2006 NBA draft, he signed a contract with the Turkish team Pınar Karşıyaka.

He had a productive season with Karşıyaka, averaging 13.3 points, 10.1 rebounds, 1.2 blocks and 2.3 steals per game.

After being released by Hapoel Jerusalem, he signed with BCM Gravelines Dunkerque of the French Pro A League.

In August 2009, he signed a one-year contract with SLUC Nancy of the French Pro A League.