Clarence Williams may refer to

• Clarence Williams (musician)
• Clarence Williams III actor
• Clarence Williams (1955-) (b. 1955) University of South Carolina / San Diego Chargers & Washington Redskins football player (running back)
• Clarence Williams (defensive lineman) (b. 1946) Prairie View A&M / Green Bay Packers football player
• Clarence Williams (1977-) (b. 1977) University of Michigan / Arizona Cardinals football player (running back)
• Clarence Williams (1975-) (b. 1975) Florida State University / Buffalo Bills football player (running back)
• Clarence Williams (receiver) (b. 1969) Washington State / Cleveland Browns football player
• Clarence S. Williams Admiral