1991 United States elections
| ← 1989 1990 1991 1992 1993 → Off-year elections | |
| Election day | November 5 |
|---|---|
| Senate elections | |
| Seats contested | 1 mid-term vacancy |
| Net seat change | Democratic +1 |
| House elections | |
| Seats contested | 6 mid-term vacancies |
| Net seat change | Democratic +1 |
| Gubernatorial elections | |
| Seats contested | 3 |
| Net seat change | 0 |
| 1991 gubernatorial election results map | |
| Legend | |
| Democratic gain Democratic hold Republican gain | |
Elections were held in the United States on November 5, 1991, consisting of three gubernatorial races, six House special elections, many local elections and a Senate special election following the death of Republican senator John Heinz in Pennsylvania, won by Democrat Harris Wofford, the first time the seat had been won by a Democrat since 1940.