You Can Count on Me is a 2000 American drama film written and directed by Kenneth Lonergan in his feature directorial debut. Starring Laura Linney, Mark Ruffalo, Rory Culkin, and Matthew Broderick, the film follows a single mother living in a small Catskill Mountains town, and her complicated relationships with family and friends.

You Can Count on Me premiered at the Sundance Film Festival on January 21, 2000, where it tied with Girlfight for the Grand Jury Prize, and Lonergan won the Waldo Salt Screenwriting Award. It was theatrically released on December 22, 2000 to widespread acclaim, with particular praise for Linney's performance. At the 73rd Academy Awards, Linney was nominated for Best Actress and Lonergan was nominated for Best Original Screenplay.