James vs. His Future Self is a 2019 Canadian science fiction comedy film, directed by Jeremy Lalonde. The film stars Jonas Chernick as James, a scientist researching time travel whose life is turned upside down when his older self (Daniel Stern) arrives from 17 years in the future to demand that he stop. The cast also includes Cleopatra Coleman, Frances Conroy, Tara Spencer-Nairn and Tommie-Amber Pirie.

The film was shot in Sudbury, Ontario, in 2018. It premiered at the Cinéfest Sudbury International Film Festival on September 17, 2019, and was selected as the opening gala film of the Edmonton International Film Festival the following week. It was released on demand in the United States by Gravitas Ventures on May 1, 2020. It received positive reviews from critics.