| John McGlone | |
| Position: | Third baseman |
| Bats: | Unknown |
| Throws: | Right |
| Birth Date: | 1864 |
| Birth Place: | Brooklyn, New York |
| Death Place: | Brooklyn, New York |
| Debutleague: | MLB |
| Debutdate: | October 7 |
| Debutyear: | 1886 |
| Debutteam: | Washington Nationals |
| Finalleague: | MLB |
| Finaldate: | August 15 |
| Finalyear: | 1888 |
| Finalteam: | Cleveland Blues |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .195 |
| Stat2label: | Runs scored |
| Stat2value: | 38 |
| Stat3label: | Runs batted in |
| Stat3value: | 33 |
| Teams: | |
John T. McGlone (1864–1927) was a professional baseball player from 1886 to 1888. He played in the minors through 1894.