Canadian Forces Base 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.

A Canadian Forces base or CFB is a military installation of the Canadian Armed Forces. For a facility to qualify as a Canadian Forces base, it must station one or more major units.