Merrin may refer to:
Merrin Dungey, American film and television actress Adam Merrin, American musician Trent Merrin, Australian professional rugby league footballer The Bridled nail-tail wallaby
Fictional characters Lankester Merrin, a character in the novel The Exorcist Nightsister Merrin, a character in the video game Star Wars Jedi: Fallen Order
See also St Merryn, a village in Cornwall