Ali G Indahouse is a 2002 British comedy film written by Sacha Baron Cohen and Dan Mazer, directed by Mark Mylod, and starring Baron Cohen as Ali G, the character he originally played on the Channel 4 comedy series The 11 O'Clock Show and Da Ali G Show. It is the first of four films based on Baron Cohen's characters from Da Ali G Show, followed by Borat (2006), Brüno (2009), and Borat Subsequent Moviefilm (2020). It is the only one of these films to consist solely of a fictional narrative with no mockumentary element.

Sacha Noam Baron Cohen is an English comedian, actor, writer and producer. He is best known for his creation and portrayal of the fictional satirical characters Ali G, Borat Sagdiyev, Brüno Gehard, and Admiral General Haffaz Aladeen. At the 2012 British Comedy Awards, Baron Cohen received the Outstanding Achievement Award and accepted the award in-character as Ali G. In 2013, he received the BAFTA Charlie Chaplin Britannia Award for Excellence in Comedy. In 2018, The Times named him among the 30 best living comedians.