| Acronym | Definition |
|---|
| RCSD | Rochester City School District (New York) |
| RCSD | Rhinebeck Central School District (Rhinebeck, NY) |
| RCSD | Riverhead Central School District (Riverhead, NY) |
| RCSD | Rankin County School District (Brandon, MS) |
| RCSD | Redwood City School District (California) |
| RCSD | Recreation and Community Services Department (various locations) |
| RCSD | Resource Center for Students with Disabilities (various schools) |
| RCSD | Richmond County Sheriff's Department (Georgia) |
| RCSD | Ravenswood City School District (East Palo Alto, CA) |
| RCSD | Rosamond Community Services District (California) |
| RCSD | Radio Controlled Soaring Digest (free hobbyist ezine) |
| RCSD | Richland County School District |
| RCSD | Regional Center for Social Science and Sustainable Development (Chiangmai University, Thailand) |
| RCSD | Rapid City South Dakota |
| RCSD | Rubidoux Community Services District (California) |
| RCSD | Reverse Carlson Surge Device |
| RCSD | Ramapo Central School District (New York) |
| RCSD | Rockland County Sewer District (New York) |
| RCSD | Rye City School District (New York) |
| RCSD | Roseville City School District (Roseville, CA) |
| RCSD | Research Centre for Sustainable Development (China) |
| RCSD | Reserve Component Support Division (US Army) |
| RCSD | Radio Communications System Division |
| RCSD | River City Software Development, Inc. |