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 Freda Whitlam (1920-2018), Australian educator and religious leader 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