Vaca may refer to:
People Vaca (surname)
Geography Vaca Mountains, a mountain range in Napa County, California Vaca Díez Province, Bolivia Vaca Mare River, a tributary of the Siriu River in Romania Vaca Mică River, a tributary of the Siriu River in Romania Mount Vaca, northern California Key Vaca, an island in the middle Florida Keys Vaca, the former name for Crișan village, Ribița Commune, Hunedoara County, Romania
Other uses Vaca Valley Railroad, operated at Vacaville, California in the late 19th century VacA a Helicobacter pylori protein Cattle, vaca is the Spanish word for cattle.
See also Vac (disambiguation) Vacha (disambiguation) Lavaca (disambiguation) Vacca (disambiguation) Vaka (disambiguation)