| John Leighton | |
| Position: | Outfielder |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | October 4, 1861 |
| Birth Place: | Peabody, Massachusetts, US |
| Death Place: | Lynn, Massachusetts, US |
| Debutleague: | MLB |
| Debutdate: | July 12 |
| Debutyear: | 1890 |
| Debutteam: | Syracuse Stars |
| Finalleague: | MLB |
| Finaldate: | July 20 |
| Finalyear: | 1890 |
| Finalteam: | Syracuse Stars |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .296 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 0 |
| Teams: |
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John Atkinson Leighton (October 4, 1861 – October 31, 1956) was a 19th-century Major League Baseball outfielder with the Syracuse Stars of the American Association. He appeared in seven games for the Stars during the 1890 season. His minor league career stretched from 1887 through 1901 and included a couple of years as a minor league manager, in 1894 and 1908.