Mark Belanger
- Given Name
- Mark Henry
- Nickname(s)
- The Blade
- Born
- 6/8/1944 — Pittsfield, MA, USA
- Died
- 10/6/1998 — New York, NY, USA
- Weight
- 170 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- R
- Team(s)
- Baltimore Orioles (1965–1981)Los Angeles Dodgers (1982)
- Debut
- 1965-08-07
- Final Game
- 1982-10-02
- Gravesite
- Find-a-Grave