William Robert Hill (born April 3, 1978) is an American former professional baseball infielder.

He played in Major League Baseball (MLB) for the Chicago Cubs and Pittsburgh Pirates.

Hill attended the University of Miami, where he played baseball, and was then drafted by the Chicago Cubs.

He spent much of 2005 in Triple-A and was dealt to the San Diego Padres on November 21, 2005, for a player to be named later.

Hill signed with the Newark Bears of the Atlantic League in February 2008, eight years after he began his professional career there.