Royal Naval Air Station Fearn (RNAS Fearn; or HMS Owl) is a former Royal Navy Fleet Air Arm airbase, located 5.4 miles (8.7 km) southeast of Tain, Scottish Highlands and 21.9 miles (35.2 km) northeast of Inverness, Scottish Highlands, Scotland. The Tower has now been converted to residential use. See Restoration Man George Clarke.

Situated around 1 mile (2 km) from the north west shore of the Moray Firth, the airfield is 8.5 miles (14 km) north east of the town and port of Invergordon and 1 mile (2 km) south east of the village of Fearn. Notable landmarks include Tarbat Ness and Cromarty Firth.