Haas
- Einstein–de Haas effect
- H2A (disambiguation)
- HAA (disambiguation)
- Haas (brass instrument makers)
- Haas (name)
- Haas (rocket)
- Haas Automation
- Haas Center for Public Service
- Haas F1 Team
- Haas Factory Team
- Haas House
- Haas Lola
- Haas Pavilion
- Haas School of Business
- Haas Type Foundry
- Haas effect
- Haas–Lilienthal House
- Haloacetic acid
- Has (disambiguation)
- Hass (disambiguation)
- Newman/Haas Racing
- Shubnikov–de Haas effect
- Team Haas
- USS Haas (DE-424)