| Charlie Gainor | |
| Number: | 18 |
| Position: | Defensive end |
| Birth Date: | 22 November 1916 |
| Birth Place: | Sargent Township, North Dakota, U.S. |
| Death Place: | Fort Dodge, Iowa, U.S. |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lbs: | 190 |
| College: | North Dakota |
| Draftyear: | 1939 |
| Draftround: | 18 |
| Draftpick: | 164 |
| Pastteams: |
|
| Statlabel1: | Games played |
| Statvalue1: | 1 |
| Statlabel2: | Games started |
| Statvalue2: | 0 |
| Pfr: | GainCh21 |
Charles Edward Gainor (November 22, 1916 – September 10, 1996) was an American football defensive end who played for the Chicago Cardinals of the National Football League (NFL) for one season in 1939. He also played for the St. Louis Gunners of the American Football League (AFL) and the Wilmington Clippers of the American Association (AA). He played college football for North Dakota and he was drafted by the Philadelphia Eagles in the eighteenth round of the 1939 NFL draft.[1] Gainor was inducted into the University of North Dakota Athletics Hall of Fame in 1978.[2]