Robert John Weston Evans FBA FLSW (born 7 October 1943) is a British historian, whose speciality is the post-medieval history of Central and Eastern Europe. He was educated at Dean Close School, Cheltenham, and later at Jesus College, Cambridge.^[1] Evans was Regius Professor of Modern History in the University of Oxford from 1997 to 2011 and is a Fellow of Oriel College, Oxford.^[1] He works on the post-medieval history of Central and Eastern Europe, especially concerning that of the Habsburg lands from 1526 to 1918.

He has a particular interest in the role of language in historical development. His main current research is on a history of Hungary from 1740 to 1945. He also studies the history of Wales and is the President of Cymdeithas Dafydd ap Gwilym, the Oxford University Welsh language society. He is a Founding Fellow of the Learned Society of Wales and is a member of its inaugural council.

Evans received an Honorary Silver Medal of Jan Masaryk at the Czech Republic Ambassador's residence in London in November 2019.^[2][3]