Canadian Forces Base Trenton (IATA: YTR, ICAO: CYTR) (also CFB Trenton), formerly RCAF Station Trenton, is a Canadian Forces base located within the city of Quinte West, Ontario. It is operated as an air force base by the Royal Canadian Air Force (RCAF) and is the hub for air transport operations in Canada and abroad. Its primary RCAF lodger unit is 8 Wing, commonly referred to as 8 Wing Trenton. CFB Trenton is Canada's largest Air Force base and most southerly air base.

The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency. The use of the airport for civilian aircraft is permitted for emergencies or MEDEVACs only and the CBSA officers can only handle general aviation aircraft with up to 15 passengers.