| Grattan O'Connell | |
| Number: | 5 |
| Position: | End |
| Birth Date: | 27 October 1902 |
| Birth Place: | Thomaston, Connecticut, U.S. |
| Death Place: | Simsbury, Connecticut, U.S. |
| Height Ft: | 5 |
| Height In: | 11 |
| Weight Lbs: | 185 |
| High School: | Bristol Central (Bristol, Connecticut) Dean Academy (Franklin, Massachusetts) |
| College: | Boston College |
| Teams: |
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| Statlabel1: | Games played |
| Statvalue1: | 12 |
| Statlabel2: | Games started |
| Statvalue2: | 12 |
John Grattan O'Connell (October 27, 1902 – March 14, 1942) was an American professional football player and sportswriter. He played two seasons in the National Football League (NFL) from 1926 to 1927. He played for the Hartford Blues during the 1926 season and the Providence Steam Roller during the 1927 season.
Prior to his professional career, O'Connell played college football at Boston College. There he started every game of his four-year football career with the Eagles. O'Connell once blocked six kicks in a game while at BC and earned All-American honors during his junior year. He also played for the school's basketball team.
O'Connell was a cartoonist and contributed to The Heights while at Boston College.[1] He was later a sportswriter for the Hartford Courant. O'Connell died on March 14, 1942, at his home in Simsbury, Connecticut.[2]
In 1971, O'Connell was inducted into the Boston College Varsity Club Athletic Hall of Fame.