Semi-Pro is a 2008 American sports comedy film. The film was directed by Kent Alterman in his directorial debut, written by Scot Armstrong, and produced by Jimmy Miller. It stars Will Ferrell, Woody Harrelson, André Benjamin and Maura Tierney, set during the final season of the American Basketball Association and telling the story of a fictional ABA team desperate to survive the league's merger with the NBA. The film was shot in Los Angeles near Dodger Stadium, in Detroit, and in Flint, Michigan. Released in theaters on February 19, 2008, and released on DVD and Blu-ray Disc on June 3, 2008, it was the last film from New Line Cinema before they were absorbed by Warner Bros. Pictures. As of 2024, it is the only film directed by Kent Alterman. The film received generally negative reviews, with critics criticizing the script, though Ferrell's performance received praise.

Scot Armstrong is an American screenwriter, director, and producer. He is credited with writing or co-writing numerous comedy films, including Old School, The Hangover: Part II, Semi-Pro, Road Trip, and many others. He is also the writer and director of the 2015 film, Search Party. The film was released in the US in May 2016. Also in 2016, his TV series, Dice, premiered on Showtime.