| Conventional Long Name: | County of Gripsholm |
| Native Name: | Gripsholms län |
| Common Name: | Gripsholm |
| Subdivision: | County |
| Nation: | the Swedish Empire |
| Year Start: | 1634 |
| Year End: | 1683 |
| S1: | County of Södermanland |
| Flag S1: | Naval Ensign of Sweden.svg |
| Capital: | Gripsholm |
| Title Leader: | Governor |
The County of Gripsholm, or Gripsholms län, was a county of the Swedish Empire from 1634 to 1683. It was one of three counties in the province of Södermanland, and in 1683 they were merged into the County of Södermanland.