Charles L. Towle (May 2, 1913 – April 9, 1990), of Arizona, was a stamp collector who studied postal history and wrote philatelic literature on the subject.
Towle was a collector of stamps and postal history, especially that of United States railroad mail and mobile post offices.
Towle wrote extensively on transit markings and received numerous awards for his effort.
For three years Towle edited The Heliograph, the journal of the Postal History Foundation.
Towle was active in philatelic organizations, such as the Mobile Post Office Society, where he was president until he died, and as Chairman of the Board of the Western Postal History Museum, later renamed the Postal History Foundation.