What is "obl"

OBL may refer to:

• Obol Basketball League, former name for the Swedish Basketball League
• Osama bin Laden (1957–2011), founder of the al-Qaeda militiant organization
• Zoersel-Oostmalle Airfield, IATA code
• Oblique case, a grammatical case

ÖBL may refer to:

• Österreichische Basketball Bundesliga, the top men's professional basketball league in Austria
• Österreichisches Biographisches Lexikon 1815–1950, a biographical dictionary of individuals who've contributed to the history of Austria