Oulu All Star Big Band, founded in 2005, is a big band composed of Oulu-based professional musicians.

Operating since 2005 and producing more than 120 concert productions, OASBB has gained popularity as a performer of big band music and as an ensemble that boldly breaks musical boundaries. OASBB has collaborated extensively with many Finnish and international artists, for example:Randy Brecker (USA), Lars Danielsson (SWE), Sinne Eeg (DK) Peter Erskine (USA), Cæcilie Norby (DK), Bob Mintzer (USA), Victoria Tolstoy (SWE), Iiro Rantala, Jarmo Saari, Olli Ahvenlahti, Eero Koivistoinen, Johanna Iivanainen, Timo Lassy, Sami Pitkämö, Samuli Putro, Marzi Nyman and Laura Voutilainen.

The artistic director of the orchestra is Jukka Eskola.