Canadian Forces Base Bagotville (IATA: YBG, ICAO: CYBG), commonly referred to as CFB Bagotville, and also known as Bagotville Airport or Saguenay-Bagotville Airport, is a Canadian Forces base 4.5 nautical miles (8.3 km; 5.2 mi) west of Bagotville in the city of Saguenay. Located in the centre of Quebec, less than 200 km (120 mi) north of Quebec City, CFB Bagotville is operated as an air force base by the Royal Canadian Air Force (RCAF) and is one of two bases in the country using the CF-18 Hornet fighter/interceptor, the other being CFB Cold Lake. Its primary RCAF lodger units are 2 Wing and 3 Wing.

CFB Bagotville's airfield is also used by civilian aircraft, with civilian operations at the base referring to the facility as Saguenay-Bagotville Airport (French: Aéroport Saguenay-Bagotville). The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency (CBSA). CBSA officers can handle civilian aircraft with no more than 30 passengers between 0800-1630 on weekdays.

As of January 2023, the base commander is Colonel Colin Marks.

As of 2018, approximately 1,700 military and civilian people work at CFB Bagotville.