Ralph Mattis
- Given Name
- Ralph
- Nickname(s)
- Matty
- Born
- 8/24/1890 — Roxborough, PA, USA
- Died
- 9/13/1960 — Williamsport, PA, USA
- Weight
- 172 lbs
- Height
- 5' 11"
- Throws
- R
- Bats
- L
- Team(s)
- Pittsburgh Rebels (1914)
- Debut
- 1914-04-22
- Final Game
- 1914-10-09
- Gravesite
- Find-a-Grave