Billy DeMars
- Given Name
- William Lester
- Nickname(s)
- Kid
- Born
- 8/26/1925 — Brooklyn, NY, USA
- Died
- 12/10/2020 — Clearwater, FL, USA
- Weight
- 160 lbs
- Height
- 5' 10"
- Throws
- R
- Bats
- R
- Team(s)
- Philadelphia Athletics (1948)St. Louis Browns (1950–1951)
- Debut
- 1948-05-18
- Final Game
- 1951-09-28
- Gravesite
- Find-a-Grave