Margaret Jean Snowling is a British psychologist, and world-leading expert in language difficulties, including dyslexia. From 2012 to 2022 she was President of St John's College, Oxford and Professor in the Department of Experimental Psychology, University of Oxford. Snowling was appointed Commander of the Order of the British Empire (CBE) in 2016 for services to science and the understanding of dyslexia. She was born in South Shields.