| Settlement Type: | town |
| Havnsø | |
| Image Caption: | Road by the harbor in Havnsø. |
| Pushpin Map: | Denmark Region Zealand#Denmark |
| Pushpin Map Caption: | Location in Region Zealand |
| Coordinates: | 55.7531°N 11.3206°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Denmark |
| Subdivision Type2: | Region |
| Subdivision Name2: | Region Zealand |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Kalundborg Municipality |
| Population As Of: | 2024 |
| Population Total: | 903 |
Havnsø is a small harbour town, with a population of 903 (1 January 2024).[1] It is situated on the northwest coast of the Danish island of Zealand, in the northeastern corner of Kalundborg Municipality at the boundary between Kalundborg and Odsherred Municipality.
The harbour[2] has ferry connections to the islands of Nekselø[3] and Sejerø.[4]
K-Salat, a manufacturer of salat spreeds, dressing, mayonnaise and remoulade sold to the retail trade and food service customers in Denmark and abroad, is located in the town.[5]