OBO
OBO appears in diverse settings such as sports betting (original bets only), trade listings (or best offer), geographic codes for Obihiro, Japan, and informal expressions like one‑by‑one or oil bulk ore.
Miscellaneous
Operation Burrowing Owl
Overweight Bait Omens
Oh Baby Oh
Overseas Buildings Operations
On Behalf Of OBO
Open Biomedical Ontologies
Overseas Building Office
Oxford Bibliographies Online
Olfactive Body Object
Community
Regional
Computing
Business
Or Best Offer
Oregon Board of Optometry
Ore-Bulk-Oil ship type
Off By One
Office of Business Opportunity
Office of Business Opportunities