A trinket is a small showy ornament 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
• The alias of singer-songwriter Zacheri Chakra

Trinket, auch Trinkat, war bis 2004 eine 86 km² große Insel, die zu den Nikobaren im Indischen Ozean gehört. Laut indischer Volkszählung im Jahr 2001 lebten auf der Insel 436 Menschen.