WA

WA, Wa or wa may mean:

In places:
* Washington, a U.S. state
* Western Australia, an Australian state
* Wa State, a "de facto" independent state in Burma
* Wa, Ghana, a city in northern Ghana

In institutions:
* Westminster Academy, a classical Christian school in Memphis, Tennessee
* Woodstock Academy, a public high school in Woodstock, Connecticut
* Worcester Academy, a private high school in Worcester, Massachusetts
* Westford Academy, a public high school in Westford, Massachusetts.

In culture:
* Wa (Japan) (倭), an old Chinese name for Japan
* Wa (kana), romanisation of the Japanese kana わ and ワ
* Va people (佤), an ethnic group in China and Myanmar
* Walloon language (ISO 639 alpha-2, wa)

In media:
* "Wa" (album), an album from Cameroonian artist Henri Dikongué
* "Wild Arms", a PlayStation role-playing game
* "Worms Armageddon", a turn-based strategy computer game
*"", a strategy game
* Winamp, Windows multimedia player

In fiction:
* Wa (Forgotten Realms), a fictional country in Kara-Tur, of the Forgotten Realms universe

WA may also refer to:
* 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)
* With Authority, an online card game
* "WA", an abbreviation for "The Wine Advocate"