Whitewash is a paint-like covering of hydrated lime or a cheap white paint.

Whitewash or whitewashing may also refer to:

• Whitewashing (beauty), modifying the skin tones of photographs of nonwhite people in mass media
• Whitewashing in art, the practice of altering the racial identity of historical and mythological figures
• Whitewashing in film, the practice of casting white actors in non-white roles

• Whitewashing (censorship), propaganda to cover up bad behavior

• Whitewash (1994 film), an American television animated short film
• White Wash (film), a 2011 American documentary film
• Whitewash (2013 film), a Canadian drama film
• Whitewash (book), a 2017 nonfiction book by Carey Gillam
• Germany and Israel: Whitewashing and Statebuilding, a 2020 nonfiction book by Daniel Marwecki
• Whitewash Jones, a racist caricature from the 1940s comic book Young Allies

• Whitewash (sport), a sports series in which one side wins every contest
• Whitewash procedure, in shareholder law, a legal procedure regarding financial assistance

• Blanqueamiento, branqueamento, or "whitening", a social practice in many post-colonial countries to "improve the race" towards a supposed ideal of whiteness
• Racial whitening, branqueamento in Brazil between 1889 and 1914
• Shutout, a sports contest in which one side prevents the other from scoring any points
• The most basic type of thickening agent used in cooking, flour blended with water to make a paste