OBL or ÖBL may refer to:
Basketball Obol Basketball League, former name for the Swedish Basketball League Orlen Basket Liga, the Polish Basketball League name from 2023 Österreichische Basketball Bundesliga, the top basketball league in Austria
Other Osama bin Laden (1957–2011), founder of the al-Qaeda militant organization Zoersel-Oostmalle Airfield, Belgium (IATA code) Oblique case, a grammatical case Obligate wetland plant, a wetland indicator status Österreichisches Biographisches Lexikon 1815–1950, a biographical dictionary of individuals who've contributed to the history of Austria One Bank Limited, a Bangladeshi bank Oblo language of northern Cameroon (ISO 639-3 code: obl)