| Acronym | Definition |
|---|
| SDLC | Software Development Life Cycle |
| SDLC | SNA (System Network Architecture) Data Link Control |
| SDLC | System Development Life Cycle |
| SDLC | Synchronous Data Link Control |
| SDLC | Security Development Lifecycle (various companies) |
| SDLC | Sna Data Link Control |
| SDLC | Sun Download Center |
| SDLC | Scalar Distributed Library Controller |
| SDLC | Student Diversity Leadership Conference (annual) |
| SDLC | Synchronous Data Link Controller |
| SDLC | System Design Life Cycle |
| SDLC | School District of Lee County (Lee County, Florida) |
| SDLC | Synchronous Data Link Communication |
| SDLC | Solutions Development Life-Cycle |
| SDLC | Software Description Language C |
| SDLC | System Did Lose Control |