Posted in Aviation, Business & Finance, Internet Slang, Organizations, Religion DUK stands for Duke Energy Corporation (stock symbol) DUK stands for Dunkirk (Amtrak station code; Dunkirk, NY) DUK stands for Demokratyczna Unia Kobiet (Polish: Democratic Women’s Union; Gdansk, Poland) DUK stands for Dead Upon Keyboard DUK stands for Deutsch Und Kommunikation (German: German and Communications; handbook)