BFL
BFL can stand for:

Buy food outside for lunch, and you can always use “@ (a number)” follow for showing that the time you will arrive for lunch. For example, “BFL@1” means “I will buy food outside for lunch at 1 o’clock.”

 Bat for Lashes, the stage name of musician Natasha Khan
 Big Fat Liar, 2002 comedy film
 Brothers for Life, a gang in the south-western suburbs of Sydney, Australia. Bluefaced Leicester, a breed of sheep
 Body for Life, a fitness program created by Bill Phillips
 BFL Group, an Emirati retail company

Aviation
 Meadows Field Airport in Bakersfield, California (IATA code: BFL)
 Buffalo Airways (ICAO code: BFL)

Sports
 Ballarat Football League
 Belgian Football League
 Bellarine Football League
 Bendigo Football League