Colorado or Colorados Formation may refer to:
Argentina
Colorado Formation, Argentina, a Campanian geologic formation of La Pampa Province Los Colorados Formation, a Triassic geologic formation of La Rioja and San Juan Provinces Los Colorados Formation, Paleogene, a Paleogene geologic formation of Salta Province; see Salta Basin Quebrada de los Colorados Formation, an Eocene geologic formation of Salta Province; see Salta Basin Cañón del Colorado Formation, an Early Jurassic geologic formation of San Juan Province Río Colorado Subgroup, a Late Cretaceous geologic subgroup of Neuquén and Río Negro Provinces