Floyd Clymer (26 October 1895 in Indianapolis – 22 January 1970 in Los Angeles), a pioneer in the sport of motorcycling, was a racer, a motorcycle dealer and distributor, a magazine publisher, a racing promoter, an author, and a motorcycle manufacturer.
He was inducted into the Motorcycle Hall of Fame in 1998, and will be inducted into the Motorsports Hall of Fame of America on March 17, 2020.Clymer is well known for publishing an annual yearbook for the Indianapolis 500 from 1946-1968.
He also produced a number of books on vintage cars, including Those Wonderful Old Automobiles, Henry's Wonderful Model T, Treasury of Early American Automobiles and a series of Historical Motor Scrapbooks.