Gaymer is an umbrella term used to refer to LGBTQ gamers.
Gaymer may also refer to:
- Gaymer Cider Company, a English cider company
- GaymerX, an American video game convention
- Gail Gaymer Martin (1937–2023), American novelist
- Henry Gaymer (died 1596), English politician
- Janet Gaymer (born 1947), English lawyer