Thank You for Smoking is a 2005 American black comedy film written and directed by Jason Reitman and starring Aaron Eckhart, based on the 1994 novel by Christopher Buckley. It follows the efforts of Big Tobacco's chief spokesman, Nick Naylor, who lobbies on behalf of cigarettes using heavy spin tactics while also trying to remain a role model for his 12-year-old son. Maria Bello, Adam Brody, Sam Elliott, Katie Holmes, Rob Lowe, William H. Macy, J. K. Simmons, and Robert Duvall appear in supporting roles.

The film was released in a limited run on March 17, 2006, and had a wide release on April 14. It received largely positive reviews, with particular praise for its screenplay, humor, themes, and Eckhart's performance. As of 2007, the film had grossed a total of more than $39 million worldwide. The film was released on DVD in the US on October 3, 2006, and in the UK on January 8, 2007.