Grundt is a surname. Notable people with the surname include:
Arne Ludvig Grundt Ileby (1913–1999), Norwegian footballer Julian Grundt (born 1988), German footballer Ken Grundt (born 1969), American baseball pitcher Lars Otto Roll Grundt (1843–1907), Norwegian civil servant and politician Michael Grundt Spang (1931–2003), Norwegian journalist, crime reporter and crime fiction writer
See also Grund (disambiguation) Grunt (disambiguation)