WDA

WDA may refer to:

Government bodies

 * Waste disposal authority, a UK statutory designation
 * Welsh Development Agency, Wales (1976–2006)
 * Singapore Workforce Development Agency (formed 2003)

Other uses

 * Wardair, a Canadian airline
 * Web Dynpro ABAP, a web application variant
 * Wii de Asobu, a Japanese series of Wii video games