| Frank Gargan | |
| Birth Date: | 1 July 1888 |
| Birth Place: | New York City, New York, U.S. |
| Death Place: | Greenwich, Connecticut, U.S. |
| Player Years1: | 1907–1909 |
| Player Team1: | Fordham |
| Player Positions: | Quarterback |
| Coach Years1: | 1911 |
| Coach Team1: | Georgetown (assistant) |
| Coach Years2: | 1912–1913 |
| Coach Team2: | Georgetown |
| Coach Years3: | 1914 |
| Coach Team3: | RPI |
| Coach Years4: | 1916–1917 |
| Coach Team4: | Fordham |
| Coach Years5: | 1920–1921 |
| Coach Team5: | NYU |
| Coach Years6: | 1922–1926 |
| Coach Team6: | Fordham |
| Overall Record: | 55–40–8 |
| Championships: | SAIAA (1912) |
John Francis Gargan (July 1, 1888 – August 18, 1960)[1] [2] was an American college football player and coach. He served as the head football coach at Georgetown University (1912–1913), Rensselaer Polytechnic Institute (1914), Fordham University (1916–1917, 1922–1926) and New York University (1920–1921), compiling career coaching record of 55–40–8. In 1917, Gargan was co-head coach with Frank McCaffrey for Fordham.[3]