Grondin is a surname. Notable people with the surname include:
Christophe Grondin (born 1983), naturalized Togolese football defender David Grondin (born 1980), French football player Gilles Grondin (1943–2005), Canadian politician Janvier Grondin (born 1947), Canadian politician Jean Grondin (born 1955), French-Canadian philosopher Marc-André Grondin (born 1984), Canadian actor Pierre Grondin (1925–2006), Canadian cardiac surgeon Willy Grondin (born 1974), football goalkeeper