Roger A. Laufenburger (September 5, 1921 September 20, 2001) was a Minnesota politician and a member of the Minnesota Senate who represented the old District 2 and, after the 1972 redistricting, District 34, which included portions of Olmsted, Wabash and Winona counties in the southeastern part of the state. A Democrat, he was elected to the Senate in 1962, and was re-elected in 1966, 1970, 1972, and 1976.Laufenburger first ran for the Senate in 1958 against incumbent Senator James "J.R." Keller. While unsuccessful in that race, he did unseat Keller in 1962. Keller's daughter, Pat Kronebusch, would later unseat Laufenburger in 1980.When Laufenburger was first elected, the Minnesota Legislature was officially non-partisan, divided into the Liberal and Conservative caucuses. This structure remained in effect until 1976, when declaring party affiliation became a requirement for candidates.