Local elections were held in Sweden on 15 September 1991 to elect county councils and municipal councils. The elections were held alongside general elections. 
  Results
 Municipal elections
 | Party | Votes | % | Seats | 
|---|
|  | Swedish Social Democratic Party | 2,016,883 | 36.56 | 5,194 | 
|  | Moderate Party | 1,222,339 | 22.16 | 2,661 | 
|  | Centre Party | 617,319 | 11.19 | 2,065 | 
|  | Liberal People's Party | 528,000 | 9.57 | 1,188 | 
|  | Christian Democratic Unity | 318,762 | 5.78 | 815 | 
|  | Left Party | 267,485 | 4.85 | 574 | 
|  | Green Party | 199,207 | 3.61 | 389 | 
|  | New Democracy | 188,085 | 3.41 | 335 | 
|  | Others | 158,896 | 2.88 | 305 | 
| Total | 5,516,976 | 100.00 | 13,526 | 
|  | 
| Valid votes | 5,516,976 | 98.13 |  | 
|---|
| Invalid/blank votes | 105,205 | 1.87 |  | 
|---|
| Total votes | 5,622,181 | 100.00 |  | 
|---|
| Source: SCB[1] | 
 Minor parties
  References
   - ^ Allmänna valen 1991. Del 2 - Kommunala valen den 15 september 1991. pp. 7, 242