Weightman is an English surname. Notable people with the surname include:
Dale Weightman (born 1959), Australian rules footballerGavin Weightman (born 1945), British journalist and historianGeorge W. Weightman, U.S. Army Family Medicine physicianLaura Weightman (born 1991), English middle-distance runnerLisa Jane Weightman, Australian long-distance runnerRoger Chew Weightman (1787–1876), American politician, civic leader, and printerWilliam Weightman (1813–1904), chemical manufacturerWilliam Weightman, love interest of Anne Brontë