Whitlam is a surname. Notable people with the surname include:
Fred Whitlam (1884–1961), Australia's Crown Solicitor from 1936 to 1949, pioneer of international human rights law in Australia; father of Gough Whitlam
Gough Whitlam (1916–2014), 21st Prime Minister of Australia
Margaret Whitlam (1919–2012), wife of Gough Whitlam, author, social worker and champion swimmer
Nicholas Whitlam (1945–), Australian businessman; son of Gough and Margaret Whitlam
Olivia Whitlam (1985–), English rower
Tony Whitlam (1944–), Australian lawyer, politician and judge; son of Gough and Margaret Whitlam
