William Robert Hill (born April 3, 1978) is a former baseball infielder.
Hill attended the University of Miami, where he played baseball, and was then drafted by the Chicago Cubs. In 2000, before playing for the Cubs organization, he played for the Newark Bears in the independent Atlantic League. He hit .326 with 13 home runs and 82 RBI. He also stole a team record 81 bases and walked a league record 101 times in 132 games.
He was traded to the Pittsburgh Pirates as the centerpiece of the Aramis Ramirez trade in August 2003. With Pittsburgh in 2004, he hit .266 with two home runs and 27 RBI in a part-time role. 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 spent the 2006 season with the Triple-A Portland Beavers. Hill signed with the Newark Bears of the Atlantic League in February 2008, eight years after he began his professional career there. He hit .238 in 100 games. Hill played 24 games for the Bears in 2009. He signed with the Chico Outlaws of the Golden Baseball League for the 2010 season.
In March 2011, Bobby was inducted into the University of Miami Sports Hall of Fame.