Orø
| Aerial image of Orø, January 2010 | |
| Geography | |
|---|---|
| Coordinates | 55°46′N 11°49′E / 55.767°N 11.817°E | 
| Adjacent to | Isefjord | 
| Area | 14 km2 (5.4 sq mi) | 
| Administration | |
| Region | Region Zealand | 
| Municipality | Holbæk Municipality | 
| Demographics | |
| Population | 995 | 
| Additional information | |
| Danish postal code | 4305 | 
Orø is a small island in Denmark located in the Isefjord within Holbæk Municipality. The island covers 14 km2 (3,500 acres) and has a population of 995 (as of 1 January 2024). There are four villages on Orø: Bybjerg, the largest village on the island with a population of 276 (1 January 2024), Brønde, Gamløse and Næsby.
There is a ferry connection between Orø and Holbæk, and a cable ferry connects the island to Hammer Bakke (Hammer Hill) on the Hornsherred peninsula. It is a popular vacation area with some 1,200 summer houses. Orø Church dating back to the 12th century and Orø Museum, which depicts local life in the area, are both national monuments.