William Mervin McKinney III (born June 5, 1955) is an American former professional basketball player, former radio broadcaster, and the current mayor of Zion, Illinois.

[1] A 6'0" guard, McKinney attended Zion-Benton High School where he played for Mo Tharp (long time Fremd coach), and Northwestern University; he earned a degree in education.

[2] From 1978 to 1986 McKinney played in the National Basketball Association as a member of the Kansas City Kings, Utah Jazz, Denver Nuggets, San Diego Clippers, and Chicago Bulls.

In June 2008, McKinney was hired by fellow Zion-Benton alumnus John Hammond as the Milwaukee Bucks' Director of Scouting.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1950s is a stub.