BFF may refer to:
Computing "Backend for Frontend" pattern, a client-oriented design of web and mobile API in frontend and backend development Backup-file Format, a data archive format used by IBM AIX
Film Belfast Film Festival, an annual film festival in Belfast, Northern Ireland, United Kingdom BFF: Best Friends Forever, a 2009 Filipino comedy film Bicycle Film Festival, a festival to celebrate the bicycle through music, art, and film Birrarangga Film Festival, a biennial Australian film festival focusing on indigenous filmmakers from around the world Boston Film Festival, an annual film festival in Boston, Massachusetts, United States Brooklyn Film Festival, an annual film festival in New York City
Music Ben Folds Five, an American rock band "BFF", a song by Kesha from the album High Road (2020) "BFF", a song by Slayyyter featuring Ayesha Erotica from the mixtape Slayyyter (2018)
Sport Bangladesh Football Federation, the governing body of football in Bangladesh Basque Football Federation, the governing body of football in the Basque Country
Transport Blaenau Ffestiniog railway station (National Rail station code), near Gwynedd, Wales Western Nebraska Regional Airport (IATA code), near Scottsbluff, Nebraska, United States
Other uses Best friends forever, a close friendship Batten Fighters Forever, British charity Bofi language (ISO 639-3 language code: bff)
See also Best friends forever (disambiguation) BF2 (disambiguation) BFFs, a 2014 American comedy film "BFFs" (The Cleveland Show), a 2011 episode of The Cleveland Show BIFF (disambiguation), includes several film festivals