Dolores Cacuango (26 October 1881, Pesillo, Cayambe, Ecuador – 23 April 1971, Yanahayco), also known as Mamá Doloreyuk, was a pioneer in the fight for indigenous and farmers rights in Ecuador.
She stood out in the political arena and was one of the first activists of Ecuadorian feminism, between the third and sixth decade of the 20th century.
She founded the Federación Ecuatoriana de Indios (FEI) in 1944 with the help of Ecuador's Communist Party.