A trinket is a small showy ornament, such as a jewel or a ring, or something that is a mere trifle. Trinket may also refer to:
- Trinket Island, an island of the Nicobar Islands
- Trinket (village), a village on the island
- Trinket snake, common name for Elaphe helena, a species of colubrid snake
- The original name of New Zealand rock band The Datsuns
- A troll girl in the comic series Elfquest
- A character in the American animated TV series Pepper Ann
- The English localized name of Wei Xiaobao in John Minford's translation of Louis Cha's novel The Deer and the Cauldron
- A small article of equipment