| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Cincinnati Celts | Cincinnati, Ohio | professional | defunct | |
| Corpus Christi Catholic Celts | Fort Dodge, Iowa | high school | defunct | |
| Crespi Carmelite Celts | Encino, California | high school | active | |
| Del-Val Celts | , Pennsylvania | Colonial Football Alliance | professional | defunct |
| John F. Kennedy Celts | Manchester, Missouri | high school | active | |
| St. Mary Celts | Jackson, Michigan | high school | defunct | |
| University of St. Thomas Celts | Houston, Texas | college | active |