Gwyn or Gwynn may refer to:
People Gwyn (name), includes a list of people with the given name or surname Gwyn, including variants such as Gwynn and Gwynne
Fictional or mythological characters Gwyn ap Nudd, in Welsh mythology Gwynn (Sluggy Freelance), a character in the webcomic Gwyn, Lord of Cinder, a character in the video game Dark Souls Gwyn, nickname of Gwyndala, a character in the animated television series Star Trek: Prodigy
Places in the United States Gwynn, Virginia Gwynn's Island, Virginia
See also Gwynn Park High School, Maryland St Richard Gwyn Roman Catholic High School (disambiguation) Nell Gwyn (disambiguation) Ty Gwyn (disambiguation) Gwin (disambiguation) Gwinn (disambiguation) Gwynne (disambiguation)