Birks is a surname. Notable people with the surname include:
Charles Napier Birks (1844–1924), founder of South Australian department store Charles Birks & Co
Frederick Birks (1894-1917), Australian recipient of the Victoria Cross
George Vause Birks (c. 1815–1858), medical doctor, founder of influential family in South Australia
Gerald Alfred Sigourney Birks (1894-1991), Canadian fighter ace in World War I
Henry Birks (1840–1928), Canadian businessman and founder of the Canadian jewelry store, Birks & Mayors
Jānis Birks (1956), Latvian politician, the Mayor of Riga between 2007 and 2009
Melville Birks (1876–1924), South Australian medical practitioner in Broken Hill, New South Wales
Peter Birks (1941-2004), Regius Professor of Civil Law at the University of Oxford
Thomas Rawson Birks (1810- 1883), Professor, theologian and controversialist at Oxford
Lawrence Birks (1874–1924), Australian electrical engineer in New Zealand
