Theresa B. "Huck" Two Bulls (born 1956, Oglala Sioux) is an attorney, prosecutor and politician in the United States and the Oglala Sioux Tribe. In 2004 she was elected as Democratic member of the South Dakota Senate, representing the 27th district, the first American Indian woman to be elected to the state legislature. She served until 2008. That year Two Bulls was elected as president of the Oglala Sioux Tribe of the Pine Ridge Reservation, the second woman to serve in this position.