OTRA
| Acronym | Definition |
|---|---|
| OTRA | On the Road Again |
| OTRA | Other Than Regular Army |
| OTRA | Vilnius Old Town Renewal Agency (Lithuania) |
| OTRA | Ontario Trail Riders Association (Canada) |
| OTRA | Old Town Residents Association (Takoma Park, MD) |
| OTRA | Office of Trust Review and Audit (US DOI) |
| OTRA | Overseas Theater Requisitioning Authority |