2006 Nyköping municipal election

Nyköping Municipality in Sweden held a municipal election on 17 September 2006.

Results
The number of seats remained at 61 with the Social Democrats winning the most at 26, a drop of three from 2002. The number of valid ballots cast were 31,589.

Electoral wards
There were three constituencies: Eastern, Northern and Western. Helgona, Herrhagen, Högbrunn and Väster had some sparsely populated rural areas part of the districts, but were all majority urban.