Leonard Norman Wein (June 12, 1948 – September 10, 2017) was an American comic book editor and writer. He was a co-creator of Wolverine.
He was interviewed for the documentary Marvel 75 Years: From Pulp to Pop as part of a group of Marvel's former comic book writers.
- Len Wein portrayed Congressman Davis in the 20th Century Fox production X-Men: Days of Future Past.
- Len Wein is the creator of Kismet.