Amy Trigg (born 28 November 1992) is a British actress and writer. She is best known for the role of Agnes in The Little Big Things, for which she won the Olivier Award as Best Actress in a Supporting Role in a musical in 2024.

Trigg was born with spina bifida and uses a wheelchair. She grew up in Witham, Essex and loved theatre from a very young age. She trained at Mountview Academy of Theatre Arts, graduating in 2013, and was the first wheelchair user to graduate from a performance course at the academy.