| Acronym | Definition |
|---|
| RTLC | Reti Di Telecomunicazioni (Italian: Telecommunications Networks) |
| RTLC | Radio Thin Layer Chromatography |
| RTLC | Reduced Total Lung Capacity |
| RTLC | Right to Live Campaign (South Africa) |
| RTLC | Roanoke: The Lost Colony (blog) |
| RTLC | River Trail Learning Center (Coon Rapids, MN) |
| RTLC | Regional Trade Liberalization and Customs Project (various nations) |
| RTLC | Real Time Live Cinema |
| RTLC | Republican Trial Lawyers Caucus (American Association for Justice) |
| RTLC | Rocket Tiers Learning Center (Baltimore, MD) |
| RTLC | Race Track Leasing Commission (California) |
| RTLC | Rainbow Trail Lutheran Camp (Boulder, CO) |
| RTLC | Response To Love Center (Buffalo, NY) |
| RTLC | Radio Technical Liaison Committee |
| RTLC | Road Transport Licensing Committee (Isle of Man) |
| RTLC | Real Time Emulation Control (electricity) |
| RTLC | Real Time Leadership Center |
| RTLC | Rockcastle Teaching & Learning Center (Mt. Vernon, KY) |
| RTLC | Real Time Leadership Coaching |
| RTLC | Rescue Tender Loving Care |
| RTLC | Realtive Total Lipid Content |
| RTLC | Richardson Towers Learning Center (University of Memphis; Memphis, TN) |
| RTLC | Right to Life Crusade (Tulsa, OK) |
| RTLC | Red Team Leader Course (military preparedness) |