Leonard Marsh (January 5, 1933 – May 21, 2013) was an American businessman who co-founded the Snapple Beverage Corporation (now part of the Dr Pepper Snapple Group) in 1972.
Marsh co-founded Snapple, which was originally known as Unadulterated Food Products, with his brother-in-law, Hyman Golden, and childhood friend, Arnold Greenberg.