Sheila E. Harsdorf (born July 25, 1956) is an American dairy farmer and Republican politician from Pierce County, Wisconsin.

She served as the 11th secretary of the Wisconsin Department of Agriculture, Trade and Consumer Protection, during the administration of Governor Scott Walker.

Her brother, James Harsdorf, also served in the state Legislature, and was also secretary of the Wisconsin Department of Agriculture, Trade and Consumer Protection.

She was a member of the Board of Directors of the Pierce-Pepin Holstein Breeders Association, was a graduate of the Wisconsin Rural Leadership Program, and was involved in Pierce County 4-H as a member of the Dairy Committee and a coach of the Dairy Judging Team.

Recall organizers filed an estimated 23,000 signatures with the Wisconsin Government Accountability Board,[6] which verified the petitions and overruled challenges by Harsdorf.

[7] Teacher and educators' union official Shelly Moore ran against Harsdorf in the recall election.

[9] In November 2017, Harsdorf was appointed Wisconsin Secretary of Agriculture, Trade and Consumer Protection by Governor Scott Walker.