| Term | Full Form | Category |
|---|---|---|
| OLES | Odd Lot Execution Service | Others |
| OLES | Office of Law Enforcement Standards | Others |
| OLES | Office of Law Enforcement Support | Others |
| OLES | On-Line Extension Services | Others |
| OLES | One Line Element Set | Others |
| OLES | Open Label Extension Study | Others |