Oglala are one of the seven subtribes of the Lakota people who, along with the Dakota, make up the Očhéthi Šakówiŋ (Seven Council Fires). Oglala may also refer to: Oglala, South Dakota, a town Oglala Dam, South Dakota Oglala National Grassland, Nebraska Ogallala Aquifer, an aquifer or concentration of groundwater in the U.S. Midwest USS Oglala (CM-4), a U.S. Navy minelayer sunk in the attack on Pearl Harbor Oglala (crater), Mars See also Incident at Oglala, a documentary film about a shooting incident Oglala Lakota College, Pine Ridge Indian Reservation, South Dakota Oglala Lakota County, South Dakota