is an American filmmaker. He wrote and directed the horror films Smile (2022) and its 2024 upcoming sequel, which was based on his short film Laura Hasn't Slept (2020).

Finn was born in Bath, Ohio, on March 18, 1987. He attended the University of Colorado Boulder, then attended Chapman University's Dodge College of Film and Media Arts, where he received a screenwriting MFA in 2011.

Finn's 2018 short film The Hidebehind screened at Panic Fest and the Portland Horror Film Festival in 2019. Finn filmed Laura Hasn't Slept at Chapman University Dodge College of Film and Media Art's Stage B. The short won the Special Jury Award at SXSW 2020. Finn's first feature film, Smile, was based on his short film Laura Hasn't Slept.Smile became 2022's top grossing original horror film. In 2023, Finn entered a multi-year first-look deal with Paramount Pictures to write, produce, and direct additional feature films. That same year, he founded the production company Bad Feeling. He returned to write and direct Smile 2, set to be released in 2024