Jack Kolbeck

Jack Kolbeck (born January 26, 1952) is an American politician serving as a member of the South Dakota House of Representatives from the 13th district since 2025. He previously represented the same district in the South Dakota Senate from 2017 to 2024.

Background Kolbeck was born in McCook County, South Dakota. He earned a bachelor's degree in business from South Dakota State University. He and his wife, Muriel, have three children. Since 1972, Kolbeck has also worked as a beer distributor in Sioux Falls, South Dakota. He is a member of the Republican Party.

In February 2025, Kolbeck was appointed to the South Dakota House of Representatives to succeed Tony Venhuizen, who was appointed as Lieutenant Governor.