Anton Lesser (born 14 February 1952) is an English actor. He attended Moseley Grammar School in Moseley, Birmingham and the University of Liverpool before going to RADA in 1977 where he was awarded the Bancroft Gold Medal as the most promising actor of his year.

As an Associate Artist with the Royal Shakespeare Company (RSC) he has played a considerable number of Shakespeare's great roles, including Troilus (Troilus and Cressida), Edgar (King Lear), Petruchio, Romeo, Henry Bolingbroke, Brutus (Julius Caesar), Leontes (Winter's Tale) and Richard III.

He is a frequent radio contributor, has starred in the BBC Radio adaptations of the first five Falco mysteries by Lindsey Davis and has recorded many audio books - including much of the work of Charles Dickens - his recording of Great Expectations won him a Talkie Award. Other books range from John Milton's Paradise Lost and Homer to contemporary novels by Robert Harris (Fatherland) and Philip Pullman.

Lesser lives in Warwickshire with his wife and their two children.