BFF

• "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

• 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

• 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)

• Bangladesh Football Federation, the governing body of football in Bangladesh
• Basque Football Federation, the governing body of football in the Basque Country

• Blaenau Ffestiniog railway station (National Rail station code), near Gwynedd, Wales
• Western Nebraska Regional Airport (IATA code), near Scottsbluff, Nebraska, United States

• Best friends forever, a close friendship
• Batten Fighters Forever, British charity
• Bofi language (ISO 639-3 language code: bff)

• 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

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