Other Uses
- WA, abbreviation for "World Archery", brand name of the World Archery Federation
- Wolfram Alpha, a computational knowledge engine
- The Wassenaar Arrangement, an arms control arrangement
- Western Arms, a Japan-based airsoft manufacturer
- KLM Cityhopper (IATA airline designator)
- Western Airlines (IATA airline designator) (defunct)
- WWE With Authority!, an online card game
- WA, an abbreviation for The Wine Advocate
- Weimarer Ausgabe, Weimar Edition of Luther's works
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