Rudolph Eli (Rudy) Boschwitz is a United States politician, former Republican US Senator from Minnesota. He served in the senate from December 1978 to January 1991, when he was defeated by Paul Wellstone.

Boshwitz was born in Berlin, Germany, November 7, 1930. He attended Johns Hopkins University, Baltimore, Maryland and he graduated from New York University, New York City, in 1950, and New York University Law School in 1953. He was admitted to the New York bar in 1954 and the Wisconsin bar in 1959. He served in the United States Army Signal Corps 1954-1955. He was the founder and chairman of a plywood and furniture dealer, Plywood Minnesota which later became Home Valu .

Boschwitz was elected as a Republican to the United States Senate in November 1978. Boschwitz is well-known in Minnesota for operating an "All You Can Drink" Milk booth at the Minnesota State Fair.

He presently serves on the Board of Directors of the Jewish Institute for National Security Affairs and is a prominent member of the Council on Foreign Relations.

Boschwitz is a member of the neoconservative organization Project for the New American Century.