Blackfly

Blackfly, black-fly, or black fly may refer to:
 * Black fly, a fly of the family Simuliidae
 * Blackfly (TV series), a 2001 Canadian comedy series
 * Blackfly (film), a 1991 animated short based on the Wade Hemsworth song
 * Black bean aphid (Aphis fabae)
 * Double Dragon (hacking group), a Chinese hacking organisation sometimes known as Blackfly
 * Opener BlackFly, an electric ultralight aircraft design