Scavenius is a surname. Notable people with the surname include:
Bente Scavenius (born 1944), Danish art historian, art critic and author Erik Scavenius (1877–1962), Danish politician, foreign minister and prime minister Scavenius Cabinet, government of Denmark from 9 November 1942 to 5 May 1945 Harald Scavenius (1873–1939), Danish politician and foreign minister Jacob Brønnum Scavenius ( 1749–1820), Danish landowner Jacob Brønnum Scavenius Estrup (1825–1913), Danish politician Ole Scavenius Jensen (1921–1990), Danish rower Otto Scavenius (1875–1945), Danish politician Theresa Scavenius (born 1984), Danish climate politics researcher and politician
See also Scavenius' Stiftelse, is a listed building in Sorø, Denmark