Wasser means "Water" in German. It may refer to:

People Anna Waser (1678–1714), Swiss painter Annemarie Waser (born 1940), Swiss alpine skier Ed Wasser (born 1964), actor Edgar Wasser (born 1990), German musician Joan Wasser (born 1970), American musician, singer-songwriter and producer Julian Wasser (1933–2023), American photographer Laura Wasser (born 1968), attorney Markus Wasser (born 1968), bobsledder Thierry Wasser (born 1961), Swiss perfumer

Places Wasser, Germany, a village

Other uses Wasser- und Schifffahrtsamt, a regional German agency responsible for the administration of federal navigable waters Wasser- und Zugvogelreservate, several bird reserves in Switzerland Wasser im Wind, album by keyboardist Hans-Joachim Roedelius

See also Vasser Waser Wassermann (disambiguation)