The 1994 United States Senate election in Michigan was held November 8, 1994. Incumbent Democratic Senator Don Riegle decided not run for re-election. Spencer Abraham won the open seat, becoming the first Republican to win a U.S. Senate race in Michigan since Robert P. Griffin in 1972 and the first to win the state's Class I seat since Charles E. Potter in 1952. As of 2026, this was the last time that a Republican was elected to a U.S. Senate seat in Michigan.