Llewellyn Atkinson (18 December 1867 – 1 November 1945) was an Australian politician. He was a member of the Australian House of Representatives from 1906 to 1929 and a member of the Tasmanian House of Assembly from 1931 to 1934, representing successive conservative parties. 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 at Latrobe in 1945 and was buried at the Latrobe General Cemetery. He never married, and resided with his sister at their family country home, "Frogmore".