Aagaard or Ågård is a surname. Notable people with the surname include:
Carl Frederik Aagaard (1833-1895), Danish landscape painter
Christen Aagaard (1616–1664), Danish poet
Jacob Aagaard (born 1973), Scottish chess grandmaster
Jane Aagaard (born 1956), Australian politician
Johannes Aagaard (1928-2007), Danish theologian and evangelist
Martin Aagaard (1863–1913), Norwegian painter
Niels Aagaard (1612–1657), Danish scholar
Robert Aagaard (1932–2001), English youth movement founder
Thorvald Aagaard (1877–1937), Danish composer and organist
