Dianne Mae Heatherington (May 14, 1948 – October 22, 1996) was a Canadian singer of several genres, particularly rock, whose musical career spanned nearly two decades. In the latter part of her career, she became a successful businessperson in the film security industry, while at the same time enjoying modest success as a Canadian film and television actress. She was nominated for a Juno Award in 1981 in the category of Most Promising Female Vocalist of the Year. She also hosted her own national CBC Television series, Dianne, in 1971.