Weser is a river in Northwestern Germany. Weser may also refer to: Kleine Weser and Werdersee, part of the river until 1968 Vesdre (German name Weser), a river in eastern Belgium AG Weser, a former German shipbuilding company Don Weser (born 1937), retired Australian Test cricket match umpire Operation Weserübung, the code name for Germany's assault on Denmark and Norway during the Second World War See also SS Weser (disambiguation) Koch-Weser (disambiguation)