| Term | Full Form | Category |
|---|---|---|
| Ry | a Finnish suffix for a registered non-profit organization | Others |
| RY | Raytheon | Others |
| RY | Real Year | Others |
| RY | Rebel Yell | Others |
| RY | Recognise Yourself | Others |
| RY | Recreate Yourself | Others |
| RY | Relative Year | Others |
| RY | Reporting Year | Others |
| RY | Richard and Yasmin | Others |
| RY | Robert Young | Others |
| RY | Roberta Young | Others |
| RY | Rookie Year | Others |