Marjorie Boulton (7 May 1924 – 30 August 2017) was a British author and poet writing in both English and Esperanto. Marjorie Boulton studied English at Somerville College, Oxford where she was taught by C.S. Lewis and J.R.R. Tolkien. She was a candidate for the Nobel Prize in Literature in 2008. She taught English literature in teacher training and (from 1962 to 1970) as a college principal for 24 years before turning to full-time research and writing. She is a well-known writer in Esperanto. Boulton in her later years was president of two Esperanto organisations, Kat-amikaro and ODES.