Hal Gilson
- Given Name
- Harold
- Nickname(s)
- Lefty
- Born
- 2/9/1942 — Los Angeles, CA, USA
- Died
- 6/20/2022 — Scottsdale, AZ, USA
- Weight
- 195 lbs
- Height
- 6' 5"
- Throws
- L
- Bats
- R
- Team(s)
- St. Louis Cardinals (1968)Houston Astros (1968)
- Debut
- 1968-04-14
- Final Game
- 1968-07-27