Tennis at the 2011 Pan American Games – Men's singles

The men's singles tennis event of the 2011 Pan American Games was held from October 17–22 at the Telcel Tennis Complex in Guadalajara. The defending Pan American Games champion was Flávio Saretta of Brazil.

Seeds
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• # (final, silver medalist)

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• # (semifinals, bronze medalist)

• # (champion, gold medalist)

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• # (third round)

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