| 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 |