Royal Air Force Longtown or more simply RAF Longtown is a former Royal Air Force satellite station located 2 miles (3.2 km) east of Longtown, Cumbria and 7.7 miles (12.4 km) northeast of Carlisle, Cumbria, England.

The following units were posted here at some point:

• No. 1 (Coastal) Engine Control Demonstration Unit RAF^[2]
• No. 6 (Coastal) Operational Training Unit RAF^[2]
• No. 9 (Coastal) Operational Training Unit RAF^[2]
• No. 41 Squadron RAF between 1 August and 11 August 1942 with Supermarine Spitfire VB's^[3]
• No. 55 Operational Training Unit RAF^[2]
• No. 59 Operational Training Unit RAF^[2]
• No. 1332 (Transport) Heavy Conversion Unit RAF^[2]
• No. 1521 (Radio Aids Training) Flight RAF^[2]
• No. 1674 Heavy Conversion Unit RAF^[2]

The site is currently farmland.^[2]

• Falconer, Jonathan (2012). RAF Airfields of World War 2. UK: Ian Allan Publishing. ISBN 978-1-85780-349-5.
• Jefford, C G (1988). RAF Squadrons. A comprehensive record of the movement and equipment of all RAF squadrons and their antecedents since 1912. Shrewsbury: Airlife. ISBN 1-85310-053-6.