John Scott Tynes (born 1971) is a writer best known for his work on role-playing games such as Unknown Armies, Delta Green, Puppetland, and for his company Tynes Cowan Corporation. Under its imprint Pagan Publishing, Tynes Cowan Corp. produces third-party books for the Call of Cthulhu role-playing game under license from Chaosium as well as fiction and non-fiction books under its imprint Armitage House.