| John J. Gallagher | |
| Birth Date: | 16 July 1904 |
| Birth Place: | Brooklyn, New York, U.S. |
| Death Place: | Niagara Falls, New York, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1924–1926 |
| Player Team2: | St. John's |
| Player Sport3: | Basketball |
| Player Years4: | 1924–1927 |
| Player Team4: | St. John's |
| Coach Sport1: | Football |
| Coach Years2: | 1936 |
| Coach Team2: | Niagara |
| Coach Sport3: | Basketball |
| Coach Years4: | 1931–1943 |
| Coach Team4: | Niagara |
| Coach Years5: | 1946–1965 |
| Coach Team5: | Niagara |
| Overall Record: | 3–5 (football) 486–262 (basketball) |
John Joseph "Taps" Gallagher (July 16, 1904 – February 7, 1982) was an American football and basketball player and coach.[1] He served as the head football coach at Niagara University in 1936. However, his greatest contributions were made as the head basketball coach at Niagara from 1931 to 1943 and again from 1946 to 1965, compiling a record of 486–262.
Gallagher died on February 7, 1982, in Niagara Falls, New York.[2]