Kilgour is a surname of Scottish origin. Notable people with the surname include:
Darris Kilgour(fl. 1992–2014), American lacrosse player and coach
David Kilgour (born 1941), Canadian politician
David Kilgour (musician) (fl. 1978–2014), New Zealand musician (The Clean) Don Kilgour (born 1946), Australian politician Fred Kilgour (1914–2006), American librarian Hamish Kilgour (fl. 1978–2014), New Zealand musician (The Clean) Joseph Kilgour (1863–1933), Canadian actor Kirk Kilgour (1947–2002), American volleyball player Lennox Kilgour (1927–2004), Trinidad & Tobago weightlifter Niall Kilgour (fl. 1968–2004), British naval officer Mary Stewart Kilgour (1851–1955), British suffragist and writer Maggie Kilgour (born 1957), Canadian academic and author Rab Kilgour (born 1956), Scottish football player Rich Kilgour (born 1969), American lacrosse player Robert Kilgour (1714–1790), Scottish Episcopal Church minister