Gwyn

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