Peyton Roi List (born April 6, 1998) is an American actress. She began her career as a child model for tween magazines and companies before transitioning to acting with a minor role in the romantic comedy film 27 Dresses (2008). As a child actress, she appeared in films such as the coming of age drama Remember Me (2010) and the crime horror Bereavement (2010), before her breakthrough role as Holly Hills in the Diary of a Wimpy Kid film series (2011–2012). She gained further attention for portraying Emma Ross on the Disney Channel series Jessie (2011–2015), a role which she reprised in the spinoff series Bunk'd (2015–2018, 2021).
List transitioned to mainstream roles with the YouTube Premium thriller films The Thinning (2016) and The Thinning: New World Order (2018). Her film credits include the comedies Valley Girl and Hubie Halloween (both 2020), the independent drama Paper Spiders (2021), and the horror thriller The Inheritance (2024). She plays Olivia Richmond on the first season of the Hulu web series Light as a Feather (2018), Tory Nichols in the Netflix series Cobra Kai (2019–present), and Maddie Nears in the Paramount+ series School Spirits (2023–present).