| John Sullivan | |
| Position: | Shortstop |
| Birth Date: | 2 November 1920 |
| Birth Place: | Chicago, Illinois, U.S. |
| Death Place: | Homewood, Illinois, U.S. |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | June 7 |
| Debutyear: | 1942 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | October 2 |
| Finalyear: | 1949 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .230 |
| Stat2label: | Home runs |
| Stat2value: | 1 |
| Stat3label: | Runs batted in |
| Stat3value: | 162 |
| Teams: | |
John Paul Sullivan (November 2, 1920 – September 20, 2007) was an American professional baseball shortstop who played in Major League Baseball (MLB) for the Washington Senators and St. Louis Browns. Sullivan was the Senators' starting shortstop from 1942 until 1944, when his career was interrupted by World War II. Upon his return in 1947, he was mainly used as a reserve. Sullivan was a lifelong resident of Homewood.[1]