William Henry "Smush" Parker (born June 1, 1981) is an American professional basketball player who last played for the Étoile Sportive de Radès (Tunisia) of the Division 1 African Championships. He played in the NBA, the NBA D-League, and several leagues overseas. Parker played shooting guard in college but moved to point guard in the NBA.
In 2003, he signed with Aris Thessaloniki of the Greek League (FIBA Europe), and helped them win the 2004 Greek Basketball Cup in the final against Olympiacos. He returned to the NBA in 2004, and played for the Detroit Pistons and the Phoenix Suns. He then signed a contract with the Los Angeles Lakers during the summer of 2005.
Little known entering the 2005 season, Parker gained recognition as the starting point guard for the Lakers under coach Phil Jackson.