| Acronym | Definition |
|---|
| RISM➣Royal Institution of Surveyors Malaysia |
| RISM➣Répertoire International des Sources Musicales (International Inventory of Musical Sources) |
| RISM➣Research Institute for Scientific Measurements (Tohoku University; Sendai, Japan) |
| RISM➣Reduced Instruction Set Model |
| RISM➣Research Institute of Special Machinery |
| RISM➣Reference Interaction Site Method (physical chemistry) |
| RISM➣Rat Intestinal Smooth Muscle Cells (physiology) |