Avro Lancaster
- Nation: Great Britain
- Type: Heavy Bomber
- Wartime Service Dates: 1942-1945
- Range: 2,700 miles
- Airspeed: 280 mph
- Crew: 7
- Payload: 14,000-22,000 pounds
- Power plant: 4× Rolls-Royce Merlin XX V12 engines, 1,280 hp each
- Notes: The RAF's principle strategic bomber after 1942, the Lancaster was known for its unusually large bomb bay (33 feet long). Lancasters are best remembered for their attacks on the Ruhr Valley dams, the battleship Tirpitz, and the firebombing of German cities.