H
- Rich Hacker
- Don Hahn
- Jerry Hairston, Jr.
- John Halama
- Drew Hall
- Jeffrey Hammonds
- Chris Haney
- Todd Haney
- Gerry Hannahs
- Joel Hanrahan
- Dan Haren
- Brandon Harper
- Bryce Harper
- Brendan Harris
- Gene Harris
- Greg Harris
- Willie Harris
- Ron Hassey
- Heath Haynes
- Neal Heaton
- Bryan Hebson
- Rod Henderson
- Bob Henley
- Butch Henry
- Gil Heredia
- Ubaldo Heredia
- Matt Herges
- Dustin Hermanson
- Remy Hermoso
- Anderson Hernández
- Liván Hernández
- José Herrera
- Ed Herrmann
- Joe Hesketh
- Jack Hiatt
- Ken Hill
- Shawn Hill
- Mike Hinckley
- Ray Holbert
- Fred Holdsworth
- Brian Holman
- Joe Horgan
- Dave Hostetler
- Mike Hubbard
- Rex Hudler
- Travis Hughes
- Terry Humphrey
- Randy Hunt
- Ron Hunt
- Jonathan Hurst
- Jeff Huson
- Tommy Hutton
Read more about this topic: Washington Nationals All-time Roster