Ruben Carter may refer to:

• Rubin Carter (1937–2014), middleweight boxer wrongfully convicted of murder
• Ruben Carter (American football) (born 1992), American football offensive lineman
• Rubin Carter (American football) (born 1952), American football coach and player

• Overflow (disambiguation)
• Overflow downdraw method
• Overflow downdraw technique
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• Overflow incontinence
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• Overfull conjecture
• Overfull graph
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• Overgas Inc. AD
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