Charlotte Eliza Lawson Riddell (nee Cowan; 30 September 1832 - 24 September 1906) in County Antrim, known also as Mrs J. H. Riddell, and by her pen name F. G. Trafford, was a popular and influential Irish-born writer in the Victorian period. She was the author of 56 books, novels and short stories, and also became part-owner and editor of St. James's Magazine, a prominent London literary journal in the 1860s.