The Three Musketeers: D'Artagnan (French: Les Trois Mousquetaires : D'Artagnan, titled The Three Musketeers – Part I: D'Artagnan in the United States) is a 2023 epic action-adventure film and the first of a two-part epic saga directed by Martin Bourboulon, based on Alexandre Dumas's 1844 novel The Three Musketeers. The film stars François Civil, Vincent Cassel, Romain Duris, Pio Marmaï, and Eva Green.

It was released theatrically in France by Pathé Distribution on 5 April 2023. The second part, The Three Musketeers: Milady, was released on 13 December 2023. The films were co-produced by France, Germany, Spain and Belgium on a combined production budget of €72 million (US$78 million), around €36 million for each film, the second most expensive French production of 2023, and filmed back to back for 150 days from 16 August 2021 to 3 June 2022.

The film received generally positive reviews from critics and was a box office hit in France, becoming the third highest-grossing French film of 2023, the fifth highest-grossing French film internationally and the eighth highest-grossing film of 2023 in France, with over 3.4 million tickets sold in the country and over 1.6 million tickets sold outside France. It received six nominations at the 49th César Awards.