| RAIS | Ramkhamhaeng Advent International School 
| Others |
| RAIS | Recording Arts Institute of Saskatoon
| Others |
| RAIS | Refugee Assistance Immigration Services
| Others |
| RAIS | Registered Apprenticeship Information System
| Others |
| RAIS | Regulatory Authority Information System
| Others |
| RAIS | Research Administration Information Systems
| Others |
| RAIS | Resources in Arabic and Islamic Studies
| Others |
| RAIS | Risk Assessment Information System
| Others |
| RAIS | RNDSG Airspace Improvement Synopsis
| Others |