Kelling is a surname. Notable people with the surname include:
Charles Kelling (1818–1898), New Zealand emigration agent, farmer and community leader Fedor Kelling (1820–1909), German-born New Zealand politician Georg Kelling (1866–1945), German internist and surgeon George L. Kelling (1935–2019), American criminologist Graeme Kelling (1957–2004), Scottish musician John Kelling (disambiguation), multiple people