WFA
- LFA (disambiguation)
- Weight for Age
- Wellington Free Ambulance
- Western Finance Association
- Western Football Association
- Western Front Association
- Wi-Fi Alliance
- Wilderness first aid
- Wilmington Football Association
- Women's Football Alliance
- Women's Football Association
- Women's Football Association (2002–03)
- Woodie Flowers Award
- Work from anywhere
- World Fantasy Award
- World Federalist Association
- World Federation of Advertisers
- World Fighting Alliance