Wayne Grigsby (born 1947) is a Canadian screenwriter and producer, mainly for television.
Grigsby, who comes from Calgary, Alberta, started primarily in arts and entertainment journalism. His goal had always been to write fiction. He had a script produced by Brian McKenna and Bernie Zukerman, which led to his becoming a screenwriter. Later, he formed Big Motion Pictures Inc. with David MacLeod. He also tried American TV with a failed pilot starring Kelly McGillis.[1]