Tamar Ulysses Slay (born April 2, 1980) is an American basketball former college and professional player.

A 6 ft 9 in (2.03 m) guard-forward, he was formerly with the National Basketball Association's New Jersey Nets and Charlotte Bobcats.

He was one of the team's most prominent players, averaging 15.7 points per game over his four-year college career.

Slay's final NBA game was played on December 10, 2004, in a 106 - 115 loss to the Phoenix Suns where he recorded 8 points, 2 assists and 2 rebounds.

In 2005 Slay joined Israeli leading team Hapoel Jerusalem, but after an unstable season he was released in late December 2006.