Robert Sims

• Robert Sims , American lyric baritone who specializes in African American folk songs and spirituals
• Robert Page Sims, African American academic, civil rights leader, and college president
• J. Robert Sims, American chemical and mechanical engineer
• Rob Sims, American football guard
• Bob Sims , American basketball player for the NBA's Los Angeles Lakers and St. Louis Hawks
• Bob Sims , American basketball player for the NBL's Tri-Cities Blackhawks and Sheboygan Redskins
• Robbie Sims, American boxer