Llewellyn Atkinson (18 December 1867 – 1 November 1945) was an Australian politician. Atkinson was born in Launceston, Tasmania. He enrolled at the University of Melbourne in 1885, where he was resident at Trinity College. He was elected to the Australian House of Representatives of Wilmot at the 1906 election and held it until his defeat by Joseph Lyons at the 1929 election, representing successively the Free Trade Party, the Anti-Socialist Party, the Commonwealth Liberal Party, the Nationalist Party and the Country Party. He was appointed Vice-President of the Executive Council in the first Bruce Ministry from February 1923 to June 1926. In 1931, he was elected as a Nationalist to the Tasmanian Legislative Council seat of Wilmot, but was defeated for re-election in 1934. He died in Latrobe.