Robert Sims may refer to:Robert Sims (baritone), American lyric baritone who specializes in African American folk songs and spirituals Robert Page Sims (1872–1944), African American academic, civil rights leader, and college president J. Robert Sims, American chemical and mechanical engineer Rob Sims, American football guard Bob Sims (1938–2006), American basketball player for the NBA's Los Angeles Lakers and St. Louis Hawks Bob Sims (1915–1994), American basketball player for the NBL's Tri-Cities Blackhawks and Sheboygan Redskins Robbie Sims, American boxer