| HLCA | Harvard Law Couples Association | 哈佛大学法律夫妇协会 |
| HLCA | Homestad Landing Civic Association | 霍姆斯塔德登陆公民协会 |
| HLCA | Hospitality and Leisure Consultancy Association | 酒店和休闲咨询协会 |
| HLCA | Highland Lakes Condominium Association | 高地湖公寓协会 |
| HLCA | Haliburton Lake Cottagers' Association | Haliburton湖富勒姆协会 |
| HLCA | Higgins Lions Community Association | 希金斯狮子社区协会 |
| HLCA | Higgins Lake Conservation Association | 希金斯湖保护协会 |
| HLCA | Hudson Lake Conservation Association | 哈德逊湖保护协会 |
| HLCA | Horseshoe Lake Conservation Area | 马蹄湖保护区 |
| HLCA | Honglin Furniture Company Lounge Chair | 红林家具公司休闲椅 |
| HLCA | Higher Learning Commission Accreditation | 高等教育委员会认证 |
| HLCA | Home Lighting Control Alliance | 家庭照明控制联盟 |
| HLCA | Half-Life and Curses Administration for Linux | Linux的半衰期和诅咒管理 |
| HLCA | High Level Clearance Authority | 高级许可机构 |