Rahane is a place in Argyll and Bute, Scotland. It lies on the west bank of the Gare Loch as part of the Rosneath peninsula, 2.3 miles (3.7 km) south of the larger settlement of Garelochhead, and 11 miles (18 km) by road from the town of Helensburgh which is due south-east.

The area contains much Forestry Commission managed stock. 56°2′52″N 4°50′3″W / 56.04778°N 4.83417°W / 56.04778; -4.83417