Sonntag is the German name of Sunday. Sonntag may also refer to:
People Brian Sonntag (born 1951), American politician from Washington Brunhilde Sonntag (1936–2002), German composer, musicologist, teacher Eliška Sonntagová (born 2001), Czech footballer Ernst Sonntag, West German slalom canoeist Fredrik Sonntag (born 1987), Swedish ice hockey player Kurt L. Sonntag (born c. 1964), American army general Maynard Sonntag, Canadian politician from Saskatchewan Patrick Sonntag (born 1989), German footballer Robert M. Sonntag, pen name for Martin Schäuble (born 1978), German writer Roselore Sonntag (1934–2025), German gymnast and coach Steven Sonntag, American dancer William Louis Sonntag, Sr. (1822–1900), American landscape painter
Music "Sonntag", song presented by Austria in the Eurovision Song Contest 1982
Locations Sonntag, Austria, municipality in Vorarlberg, Austria Sonntag Nunatak, glacial island (nunatak) in the Thief Mountains of Antarctica
See also Sontag Der Sonntag (Baden newspaper)