Len Wiseman
- Birthday: 1973-03-04
- Place of birth: Fremont, California, USA
- Also know as: Len Ryan Wiseman
Len Ryan Wiseman (born March 4, 1973) is an American film director, screenwriter, and producer. He is best known for his work on the Underworld series, Live Free or Die Hard, and the 2012 film Total Recall. Wiseman runs the production company Sketch Films.
