Terence M. Dempsey (February 17, 1932 – September 2, 2023) was an American politician who was a member of the Minnesota House of Representatives who represented the old House districts 23A and 28B, which included all or portions of Brown, Cottonwood, Nicollet and Redwood counties in the south central part of the state.

A Republican, he was an attorney and partner in the New Ulm law firm of Somsen, Dempsey and Schade.

[1] Dempsey was first elected to the House in 1978, unseating former New Ulm mayor and incumbent Rep. Tony Eckstein.

[1] Raised in Henderson, Dempsey attended the College of St. Thomas in Saint Paul, earning his bachelor's degree in Political Science.

[1] In 1992, Dempsey was appointed a district court judge by Governor Arne Carlson.