Randøy is an island in Hjelmeland municipality in Rogaland county, Norway.

The 16.7-square-kilometre (6.4 sq mi) island lies just off the mainland between the Jøsenfjorden and the Årdalsfjorden.

The highest point on the island is the 373-metre (1,224 ft) tall mountain, Randåsen.

The island is relatively flat in the south and it is more mountainous and forested in the central and northern regions.

[1] The island is connected to the mainland by the Randøy Bridge.