| HLA | Handball Liga Austria 
| Others |
| HLA | Hard Luck Acres
| Others |
| HLA | Harold Levinson Associates
| Others |
| HLA | Harvest Limit Area
| Others |
| HLA | Hat Leather Association
| Others |
| HLA | Hazard Light Alert
| Others |
| HLA | Head Lamp Aim
| Others |
| HLA | Head Lamp Aligner
| Others |
| HLA | Head Lamp Assembly
| Others |
| HLA | Head Lamp Assist
| Others |
| HLA | Head Light Adjustment
| Others |
| HLA | Health Language Analytics
| Others |
| HLA | Health Law Advocates
| Others |
| HLA | Heart, Lungs, Abdomen
| Others |
| HLA | Heated Living Area
| Others |
| HLA | Heavy Lift Aircraft
| Others |
| HLA | Heavy Load Assessment
| Others |
| HLA | Helen Langridge Associates
| Others |
| HLA | Helicopter Landing Area
| Others |
| HLA | High Level Ability
| Others |
| HLA | High Level Architecture
| Others |
| HLA | High Level Articulated
| Others |
| HLA | High Level Assembler
| Others |
| HLA | High Level Assembly
| Others |
| HLA | High Level Assessment
| Others |
| HLA | High Loss Area
| Others |
| HLA | High-Level Analog
| Others |
| HLA | High-Level Application
| Others |
| HLA | High-Level Architecture
| Others |
| HLA | Hill Launch Assist
| Others |
| HLA | Hispanic Latino Affairs
| Others |
| HLA | Histocompatibility Leukocyte Antigen
| Others |
| HLA | Historical Labor Application
| Others |
| HLA | Home Location Area
| Others |
| HLA | Hong Leong Assurance
| Others |
| HLA | Horizontal Line Array
| Others |
| HLA | Horticulture and Landscape Architecture
| Others |
| HLA | Hot Lesbian Action
| Others |
| HLA | Hot Line Alert
| Others |
| HLA | Hot Link Analysis
| Others |
| HLA | Hubble Legacy Archive
| Others |
| HLA | Human Leucocyte Antigen
| Others |
| HLA | Human Leukocyte Antigen
| Others |
| HLA | Human Leukocyte Antigens
| Others |
| HLA | Human Life Alliance
| Others |
| HLA | Human Lymphocyte Antigens
| Others |
| HLA | Humanitarian Logistics Association
| Others |
| HLA | Hydraulic Lash Adjuster
| Others |
| HLA | Hydraulic Launch Assist
| Others |
| HLA | Hydraulic Load Analysis
| Others |
| HLA | Hyperbaric Lighting Assembly
| Others |
| HLA | Lanseria, South Africa
| Others |
| HLA | The High Level Architecture
| Others |
| HLA | VIT University - Hindi Literary Association
| Others |