| Acronym | Definition |
|---|
| RCIS➣Registered Cardiovascular Invasive Specialist (Cardiovasculal Credentialing International) |
| RCIS➣Ryerson Centre for Immigration and Settlement (Ryerson University; Toronto, Canada) |
| RCIS➣Rural Community Insurance Services (Anoka, MN) |
| RCIS➣Regional Cadet Instructor School |
| RCIS➣Research Centre for Injury Studies |
| RCIS➣Research Challenges in Information Science |
| RCIS➣Reserve Component Input System |
| RCIS➣Regional Crime Information System (Wisconsin) |