| A. L. Morton | |
| Birth Name: | Arthur Leslie Morton |
| Birth Date: | 1903 7, df=y |
| Birth Place: | Bury St. Edmunds Suffolk, United Kingdom |
| Death Place: | The Old Chapel, Clare, Suffolk |
| Education: | Peterhouse, Cambridge University |
| Occupation: | Journalist for the Daily Worker. Bookseller. Teacher at Summerhill School |
| Known For: | Communist activism, founding member of the William Morris Society |
| Notable Works: | A People's History of England (1938) |
| Party: | Communist Party of Great Britain (CPGB) |
| Spouse: | Vivien |
Arthur Leslie Morton (4 July 1903 – 23 October 1987) was an English Marxist historian. He worked as an independent scholar; from 1946 onwards he was the Chair of the Historians Group of the Communist Party of Great Britain (CPGB). He is best known for A People's History of England, but he also did valuable work on William Blake and the Ranters, and for the study The English Utopia.
Morton was born in Suffolk, the son of a Yorkshire farmer.[1]