| HLCA | Half-Life and Curses Administration for Linux 
| Others |
| HLCA | Happy Life Cebu Academy
| Others |
| HLCA | Harvard Law Couples Association
| Others |
| HLCA | Health Literacy in Childhood and Adolescence
| Others |
| HLCA | Heart Lake Conservation Area
| Others |
| HLCA | Higgins Lake Conservation Association
| Others |
| HLCA | Higgins Lions Community Association
| Others |
| HLCA | High Level Clearance Authority
| Others |
| HLCA | Higher Learning Commission Accreditation
| Others |
| HLCA | Highland Lakes Condominium Association
| Others |
| HLCA | Hollywood Lakes Civic Association
| Others |
| HLCA | Home Lighting Control Alliance
| Others |
| HLCA | Home Loan Centre Australia
| Others |
| HLCA | Homestad Landing Civic Association
| Others |
| HLCA | Honeywell Leadership Challenge Academy
| Others |
| HLCA | Honglin Furniture Company Lounge Chair
| Others |
| HLCA | Horseshoe Lake Conservation Area
| Others |
| HLCA | Hospitality and Leisure Consultancy Association
| Others |
| HLCA | Hudson Lake Conservation Association
| Others |