Rachel "Matt" Thorn (born May 12, 1965) is a cultural anthropologist and an associate professor in the Department of Manga Production at Kyoto Seika University's Faculty of Manga in Japan.She is best known in North America for her work dealing with shojo manga.
She has appeared at multiple anime conventions, including Otakon 2004.
She chose to translate shojo manga into English after reading Thomas no Shinzo by Moto Hagio in the mid-1980s.In March 2010 it was announced that Thorn would edit a line of manga co-published by Shogakukan and Fantagraphics.