| Acronym | Definition |
|---|
| OMB➣Office of Management & Budget (US government; also seen as USOMB) |
| OMB➣Ontario Municipal Board (Government of Ontario) |
| OMB➣Oregon Medical Board (Portland, OR) |
| OMB➣Oracle Meta Base |
| OMB➣Original Muscle Beach (Santa Monica, CA) |
| OMB➣One Man Band |
| OMB➣Only Make Believe (theater group; New York) |
| OMB➣Oh My Bad (fault slang) |
| OMB➣Oh My Bieber |
| OMB➣Optical Media Board (Philippines) |
| OMB➣Owner Managed Business (various companies) |
| OMB➣Official Match Ball (Adidas) |
| OMB➣Open Media Boston (Media Working Group; Boston, MA) |
| OMB➣Operational Management Board (infrastructure; EU) |
| OMB➣Online Marketing Blog |
| OMB➣Osteopathic Medical Board (California) |
| OMB➣Open Manufacturing Backbone (software; UGS) |
| OMB➣Oregon Marching Band (University of Oregon) |
| OMB➣Official Message Board |
| OMB➣Oh My Buddha |
| OMB➣Obtuse Marginal Branch |
| OMB➣Oh My Bob |
| OMB➣Operations Manual Bulletin |
| OMB➣Outer Marker Beacon (aviation) |
| OMB➣Originating Message Buffers |
| OMB➣Optical Mounting Board |
| OMB➣Order of Mapungubwe: Bronze (South Africa) |
| OMB➣Organizational Mailbox (US Air Force) |