Lyneham is a suburb of Canberra, Australia in the North Canberra district. It is named after Sir William Lyne, premier of New South Wales from 1899 to 1901. The suburb name was gazetted in 1928, but development did not commence until 1958. The streets of Lyneham are named after artists and people associated with the development of early Canberra.

Sir William John Lyne KCMG was an Australian politician who served as Premier of New South Wales from 1899 to 1901, and later as a federal cabinet minister under Edmund Barton and Alfred Deakin. He is best known as the subject of the so called "Hopetoun Blunder", unexpectedly being asked to serve as the first Prime Minister of Australia but proving unable to form a government.