Marion Jean Lyon (married name Raven-Hill; 15 January 1885 – 20 February 1940) was a British advertising executive, particularly known for her long association with the magazine Punch (1910–40), as its advertising manager from 1922 – the first woman advertising manager of a major British periodical. She was the founding president of the Women's Advertising Club of London and a director of the feminist literary magazine, Time and Tide.