The Wonka Bar is originally a fictional chocolate bar, introduced as a key story point in Roald Dahl's 1964 children's classic novel Charlie and the Chocolate Factory. Wonka Bars appear in each film adaptation of the novel: Willy Wonka & the Chocolate Factory (1971); Charlie and the Chocolate Factory (2005), and Wonka (2023). The bar also appeared in the musical adaptation of the novel, Charlie and the Chocolate Factory (2013).