Wasa
- District of Columbia Water and Sewer Authority
- Edgar Broughton Band
- House of Vasa
- Hwasa
- IK Wasa
- Legion Wasa
- SS Henry
- Vaasa
- Vasa (disambiguation)
- Vasa (ship)
- WASA-LD
- Wasa (Tanzanian ward)
- Wasa 30
- Wasa Lake
- Wasa Line
- Wasa Research Station
- Wasa language
- Wasa people
- Wasa, British Columbia
- Wasa, Cameroon
- Wasabröd
- Water Supply and Sewerage Authority
- Water and Sewerage Authority
- Western Action Shooting Association
- Western Australia Softball Association