WA

WA, Wa or wa may stand for:

• Washington, US state
• Western Australia
• Wa, a Chinese ethnic group
• An old Chinese name for Japan
• Wa, (和 meaning "harmony") a Japanese value to respect consensus over competition, see Japanese culture, Japanese language
• the IATA code for KLM Cityhopper
• Wa State – a de facto independent state in Burma
• Worms Armageddon