Ardatov () is the name of several inhabited localities in Russia.
- Urban localities
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Ardatov (town), Republic of Mordovia, a town in Ardatovsky District of Republic of Mordovia
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Ardatov, Nizhny Novgorod Oblast, a work settlement in Ardatovsky District of Nizhny Novgorod Oblast
- Rural localities
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Ardatov (rural locality), Republic of Mordovia, a station settlement in Ardatovsky Selsoviet of Ardatovsky District of the Republic of Mordovia
