Troublemaker: Surviving Hollywood and Scientology is a biographical memoir by the American actress, producer, author, and comedian Leah Remini. Published in November 2015, it chronicles her life, her acting career, her experiences as a member of the Church of Scientology from a young age, and her subsequent split from Scientology. The book received favorable reviews and became a bestseller soon after publication, though the Church of Scientology was strongly critical of it.

Leah Marie Remini is an American actress. She starred as Carrie Heffernan on the CBS sitcom The King of Queens (1998–2007) and as Vanessa Celluci in the CBS sitcom Kevin Can Wait (2017–2018), both alongside Kevin James.