HLLC
| Acronym | Definition |
|---|---|
| HLLC | High Level Language Computer |
| HLLC | High Level Logical Link Control |
| HLLC | High Level Language Companion |
| HLLC | Harten-Lax-Van Leer-Contact (mathematics) |
| HLLC | Half Life Logo Creator (software) |
| HLLC | Humane League of Lancaster County (Lancaster, PA) |
| HLLC | Heartland Latino Leadership Conference |
| HLLC | High Level Language Companion Virus |