Korsgaard is a surname. Notable people with the surname include:

Christine Korsgaard (born 1952), American philosopher (born 1997), Danish ice hockey player (born 1994), Danish ice hockey player (born 1979), Danish journalist and administrator (born 1979), Danish actor (born 1958), Danish journalist and director (born 1942), Danish author and professor (born 1995), Danish author (1921–2012), Danish engineer and inventor

See also (born 1932), Danish ambassador in Egypt, Sudan, Somalia, Poland and Australia