Kilduff is a surname. Notable people with the surname include:Christine Kilduff, American politician Ciarán Kilduff, Irish footballer Malcolm Kilduff (1927–2003), American journalist Marshall Kilduff, American journalist Martin Kilduff, British academic Mitchell Kilduff, Australian swimmer Pete Kilduff (1893–1930), American baseball player Thomas Kilduff, American neuroscientist Vinnie Kilduff, Irish folk artist