Charles H. O'Reilly (March 15, 1889 – July 18, 1969) was the co-founder of O'Reilly Automotive, Inc., commonly known as O'Reilly Auto Parts, a leading American retailer of aftermarket automotive parts, tools, and accessories. The company was established in 1957 by Charles H. O'Reilly and his son, Charles Francis "C.F." O'Reilly, in Springfield, Missouri.