Hans Andreas Ustrud (November 4, 1871 – April 20, 1943) was an American educator and politician from the U.S. state of South Dakota.

A Republican, Ustrud served as lieutenant governor of South Dakota and superintendent of public instruction.

He was the third child born to Julia (née Kaasa) and Halvor O. Ustrud, who had immigrated from Norway in 1866 and settled in Minnehaha County in 1868.

Ustrud graduated from the Lutheran Normal School in 1895, and taught in Dane County, Wisconsin, and Sioux Falls, South Dakota.

[16] Ustrud was the South Dakota Farmer–Labor Party's nominee for lieutenant governor in 1936,[17] but did not qualify for the general election ballot.