WAMU is a public radio station that services the greater Washington, DC metropolitan area.
Wamu may also refer to: West African Monetary Union, established 1962 and rebranded 1994 into West African Economic and Monetary Union Wamu center, the original name of the Russell Investments Center in Seattle Washington Mutual (WaMu), once the United States' largest savings and loan association
See also Wamus, a traditional term for an American leather or cloth jacket.