Lagunitas Formation

Lagunitas Formation may refer to:
 * Lagunitas Formation, Cuba, an Early Miocene geologic formation of Cuba
 * Lagunitas Formation, Colombia, a Cretaceous geologic formation of Colombia, in the Cesar-Ranchería Basin
 * Lagunitas Sandstone, a member of the Bartonian Verdun Formation, a fossiliferous stratigraphic unit in Peru