FWA may refer to:
- Fair Work Australia
- Federal Works Agency of the United States
- Favourite Website Awards
- Fixed Wireless Access, see Wireless local loop
- Fluorescent whitening agent, see under optical brightener
- Free Wales Army
- Football Writers' Association
- Fort Wayne International Airport
- French West Africa, a group of former French colonies in West Africa
- Frontier Wrestling Alliance, a UK wrestling promotion
- Furry Weekend Atlanta, a furry fandom convention
- Fraud, Waste and Abuse, the misuse of resources in government or industry
- Forced Warm Air, or Forced-air heating
- Federalwide assurance