Marvin Williams may refer to:

• Marvin Williams (born 1986), American basketball player
• Marvin Williams (basketball, born 1993), American basketball player
• Marvin Williams (American football) (born 1963), retired American football player
• Marvin Williams (footballer) (born 1987), English football (soccer) player
• Marvin Williams (baseball) (1923-2000), Negro League Baseball player

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