| HAS | Hail, Saudi Arabia 
| Others |
| HAS | Halal Assurance Management System
| Others |
| HAS | Hand Brake Switch
| Others |
| HAS | Hardened Aircraft Shelter
| Others |
| HAS | HCO Area Secretary
| Others |
| HAS | Health Advisory Service
| Others |
| HAS | Healthcare Alternative Systems
| Others |
| HAS | Healthcare Analytics Summit
| Others |
| HAS | Hearing Aid Specialist
| Others |
| HAS | Heart And Soul
| Others |
| HAS | Height Adjustable Stand
| Others |
| HAS | Hepatic Artery Stenosis
| Others |
| HAS | Herriko Alderdi Sozialista
| Others |
| HAS | Higher Adjacent Supporting
| Others |
| HAS | Highest Average Salary
| Others |
| HAS | Highway Assist System
| Others |
| HAS | Hill Start Assist System
| Others |
| HAS | Holddown Alignment Support
| Others |
| HAS | Home Automation System
| Others |
| HAS | Home Automation Systems
| Others |
| HAS | Hospital Administration Software
| Others |
| HAS | Houston Airport System
| Others |
| HAS | Houston Audubon Society
| Others |
| HAS | Houston Auto Show
| Others |
| HAS | Human Activity System
| Others |
| HAS | Human Alienation Syndrome
| Others |
| HAS | Humesha Aapke Saath
| Others |
| HAS | Hungarian Academy of Sciences
| Others |
| HAS | Hydraulic Actuation System
| Others |
| HAS | Hydrogen Actuation System
| Others |