The Patzcuaro frog (Lithobates dunni or Rana dunni) is a species of frog in the family Ranidae. Within the former, broadly defined genus Rana, it belongs to the Rana montezumae (=Lithobates montezumae) subgroup of the Rana pipiens (=Lithobates pipiens) complex. It is endemic to Michoacán state, Mexico, where it is locally known as rana de Pátzcuaro. It occurs in Lake Pátzcuaro, Lake Cuitzeo, and the surrounding streams in Río de Morelia.

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