Aagaard or Ågård is a surname. Notable people with the surname include:
Carl Frederik Aagaard (1833-1895), Danish landscape painterChristen Aagaard (1616–1664), Danish poetJacob Aagaard (born 1973), Scottish chess grandmasterJane Aagaard (born 1956), Australian politicianJohannes Aagaard (1928-2007), Danish theologian and evangelistMartin Aagaard (1863–1913), Norwegian painterNiels Aagaard (1612–1657), Danish scholarRobert Aagaard (1932–2001), English youth movement founderThorvald Aagaard (1877–1937), Danish composer and organist