Thon

Thon may refer to:


 * Thon (mythology), a figure from Greek mythology
 * Thon (name), a surname and given name
 * Thon (river), northern France
 * Thon (A Canticle for Leibowitz), an academic rank similar to a university "don" in the science fiction novel A Canticle for Leibowitz
 * -thon, -athon, or -a-thon, a generic suffix and back-formation from marathon, usually used for fundraising events
 * Telethon, a televised fundraising event
 * Walkathon, a fundraising event involving walking
 * "Thon", proposed third-person singular gender-neutral pronoun