Keith Louis Heller (born 3 April 1948) is a Canadian transport executive in the rail freight transport industry.
In 2005 he was ranked 57 in the Power 100 listing published by Country Life magazine.
Heller is notable for having run major rail freight providers in both North America and Europe.
Heller was head of the Eastern Region of the Canadian National Railway, at the time the most successful privatised rail business in the world.
In the early 2000s he moved to Europe and became chief executive of English Welsh and Scottish Railway/DB Cargo UK, the largest rail freight operator in the United Kingdom, and subsequently DB Schenker Rail co-chairman and head of the Western Region, covering rail freight across Great Britain, France, Spain and Portugal.