| Acronym | Definition |
|---|
| OBAC➣Omineca Beetle Action Coalition (Canada) |
| OBAC➣Organisation of Blind African Caribbeans (UK) |
| OBAC➣Organization of Black American Culture |
| OBAC➣Ortho Bionomy Association of Canada |
| OBAC➣One Band for All Campaign (charity campaign) |
| OBAC➣Organization-Based Access Control |