The attorney general of South Dakota is the state attorney general of the U.S. state of South Dakota. The attorney general is elected by popular vote to a four-year term and holds an executive position as the state's chief legal officer. In 1992, the voters approved a constitutional amendment to limit all constitutional officers and the governor to two consecutive four-year terms.

George Theodore Mickelson was an American lawyer, 16th Attorney General of South Dakota and 18th Governor of South Dakota, and a United States district judge of the United States District Court for the District of South Dakota. He is the patriarch of the prominent Mickelson family of South Dakota.