John Carroll Gallagher (February 18, 1892 – March 30, 1952) was a Major League Baseball second baseman who played for the Baltimore Terrapins of the Federal League in 1915.
John Gallagher
| Given name: | John Carroll Gallagher |
| Nicknames: | None |
| Primary Pos: | Secondbase |
| Hght/Wght: | 5'10" / 156 lbs |
| Bats/Throws: | R / R |
| Born: | Feb 18, 1892 in Pittsburgh, PA |
| Died: | Mar 30, 1952 in Norfolk, VA (60 years old) |
| Debut: | Aug 20, 1915 |