Tallinn Black Nights Film Festival (BNFF) is an international film festival founded in 1997. It offers Estonian audiences and guests spark of light and warmth into the cold dark pre-winter time with a feast of the most remarkable offerings of the latest world cinema in its various forms. BNFF consists of several simultaneous film festivals and events - main programme, animation film festival "Animated Dreams", children and youth film festival "Just Film", Sleepwalkers' Student Film Festival and for industry professionals a film and co-production market "Baltic Event".

In a few years, the small local event with 28 films and 7 participating countries has expanded into 2+ weeks of celebrating cinema where close to 500 films of different formats, genres, lengths and techniques from 60 countries are presented to nearly 50.000 viewers each year.

BNFF is an important cultural event for the city of Tallinn and the whole of Estonia. Festival has partnership with the Estonian municipalities, Ministry of Culture, Estonian Film Foundation, Cultural Endowment as well as foreign funds, cultural institutes and embassies present in Estonia. The honorary position of festival's patron is rotating among ambassadors residing in the region.

The festival is a member of European Coordination of Film Festivals EEIG, CentEast - The Alliance of Central and Eastern European Film Festivals, and NETPAC - the Network for the Promotion of Asian Cinema.