Willy Wonka is a fictional character appearing in British author Roald Dahl's 1964 children's novel Charlie and the Chocolate Factory, its 1972 sequel Charlie and the Great Glass Elevator and several films based on those books. He is the eccentric founder and proprietor of the Wonka Chocolate Factory.

Wonka is a 2023 musical fantasy comedy film directed by Paul King, who co-wrote the screenplay with Simon Farnaby based on a story by King. It tells the origin story of Willy Wonka, a character in the 1964 novel Charlie and the Chocolate Factory by Roald Dahl, depicting his early days as a chocolatier. The film stars Timothée Chalamet as the title character, with an ensemble cast including Calah Lane, Keegan-Michael Key, Paterson Joseph, Matt Lucas, Mathew Baynton, Sally Hawkins, Rowan Atkinson, Jim Carter, Olivia Colman, and Hugh Grant. It is the third live-action film based on Dahl's novel, following Willy Wonka & the Chocolate Factory (1971) and Charlie and the Chocolate Factory (2005).