Anton Lesser (b. 1952) is a British actor who appeared in the Jim Henson's Creature Shop production Jack and the Beanstalk: The Real Story as Vidas.

Lesser has performed with the Royal Shakespeare Company various times since 1977, in roles ranging from Romeo to Feste in Twelfth Night. In addition to televised Shakespeare, Lesser played Quyburn on Game of Thrones, Thomas More in the early episodes of Wolf Hall, Prime Minister Harold Macmillan on The Crown, Fagin on Dickensian, Chief Superintendent Bright on the Inspector Morse prequel Endeavor, and guest roles on Poirot, Holby City, A Touch of Frost, and Midsomer Murders. Films include Pirates of the Caribbean: On Stranger Tides, The Missionary, Disobedience, and Allied.