| John Douglas | |
| Position: | First baseman |
| Birth Date: | 14 September 1917 |
| Birth Place: | Thayer, West Virginia |
| Death Place: | Miami, Florida |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | MLB |
| Debutdate: | April 21 |
| Debutyear: | 1945 |
| Debutteam: | Brooklyn Dodgers |
| Finalleague: | MLB |
| Finaldate: | May 5 |
| Finalyear: | 1945 |
| Finalteam: | Brooklyn Dodgers |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .000 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs scored |
| Stat3value: | 0 |
| Teams: |
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John Franklin Douglas (September 14, 1917 – February 11, 1984) was an American first baseman in major league baseball who played five games during the 1945 season for the Brooklyn Dodgers. Born in Thayer, West Virginia, he died at age 66 in Miami, Florida.