Ed is an American comedy drama television series that was co-produced by David Letterman's Worldwide Pants Incorporated, NBC Productions and Viacom Productions that aired on NBC from October 8, 2000, to February 6, 2004. The hour-long comedy drama starred Tom Cavanagh as the lead titular character Ed Stevens, Julie Bowen as his love interest Carol Vessey, Josh Randall as his long-time best friend Dr. Mike Burton, Jana Marie Hupp as Mike's wife Nancy, Lesley Boone as their friend Molly Hudson, and Justin Long as awkward high-school student Warren Cheswick. Other supporting cast members included Michael Genadry and Ginnifer Goodwin as Warren's friends Mark and Diane, and Michael Ian Black, Mike Starr, Rachel Cronin, and (later) Daryl Mitchell as the employees of Ed's bowling alley. Long term guest stars included John Slattery as Dennis Martino and Sabrina Lloyd as Frankie Hector. The show was created by executive producers Jon Beckerman and Rob Burnett. David Letterman is also credited as one of the show's executive producers.

Ed received casting, writing, and directing Primetime Emmy Award nominations in 2001. Tom Cavanagh received a Golden Globe Award nomination and a TV Guide Award for his work on the program.