| Jack Beach | |
| Position: | Outfielder |
| Birth Date: | 1862 |
| Birth Place: | Alexandria, Virginia, U.S. |
| Death Place: | Alexandria, Virginia, U.S. |
| Bats: | Unknown |
| Throws: | Unknown |
| Debutleague: | MLB |
| Debutdate: | May 1 |
| Debutyear: | 1884 |
| Debutteam: | Washington Nationals |
| Finalleague: | MLB |
| Finaldate: | June 12 |
| Finalyear: | 1884 |
| Finalteam: | Washington Nationals |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .097 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 0 |
| Teams: | |
| Hoflink: | National Baseball Hall of Fame and Museum |
| Hoftype: | National |
| Hoffuture: | (set to true if the player has been announced but not inducted) |
Stonewall Jackson "Jack" Beach (1862 - July 23, 1896) was an American Major League Baseball outfielder who played two seasons in professional baseball, one at the Major League level.
Beach began his career with the Washington Nationals of the American Association in . In his only season at the Major League level, Beach hit .097 with three hits and two doubles in eight games.
In, Beach played one more season in professional baseball, this time with a local team in the Virginia League. With the Lynchburg, Virginia baseball club he played his final season.