Marnes is the name or part of the name of three communes of France:
*
Marnes, Deux-Sèvres in the Deux-Sèvres ''département''
*
Marnes-la-Coquette in the Hauts-de-Seine ''département''
*
Saint-Jouin-de-Marnes in the Deux-Sèvres ''département''
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