Leslie Arden is a Canadian musical theatre composer, lyricist and librettist. She has been described as "arguably Canada's most talented Musical Theatre writer". She is best known for her work The House of Martin Guerre (co-book by Anna Theresa Cascio) produced by Theatre Plus (1993), the Goodman Theatre (1996) in Chicago and the Canadian Stage Company (1997). Her musical The Boys are Coming Home was part of the American Music Theatre Project at North Western University and was showcased by the National Alliance of Musical Theatre in New York City. Theatre critic Richard Ouzanian says she is "the creator of some of the most sophisticated work on our stages". The Toronto Star has commented that her work is “beautifully crafted” and USA Today states she is a “major talent”. She also wrote the Chalmers Award-winning The Happy Prince. She collaborated with esteemed Canadian playwright Norm Foster for her latest musical "Ned Durango". It had its world premiere at Theatre Orangeville in May 2011.