| Connecticut Hammerheads |
Fairfield, Connecticut |
Major League Lacrosse |
professional |
defunct |
| Corpus Christi Hammerheads |
Corpus Christi, Texas |
Lone Star Football League |
professional |
defunct |
| Corpus Christi Hammerheads |
Corpus Christi, Texas |
Indoor Football League |
professional |
defunct |
| Corpus Christi Hammerheads |
Corpus Christi, Texas |
National Indoor Football League |
professional |
defunct |
| Corpus Christi Hammerheads |
Corpus Christi, Texas |
Intense Football League |
professional |
defunct |
| Florida Hammerheads |
Miami, Florida |
Roller Hockey International |
professional |
defunct |
| Harrisburg Hammerheads |
Harrisburg, Pennsylvania |
Continental Basketball Association |
professional |
defunct |
| Hawaii Hammerheads |
, Hawaii |
American Basketball Association |
professional |
defunct |
| Hawaii Hammerheads |
Honolulu, Hawaii |
Indoor Professional Football League |
professional |
defunct |
| Jupiter Hammerheads |
Jupiter, Florida |
Low-A Southeast |
professional |
active |
| Jupiter Hammerheads |
Jupiter, Florida |
Florida State League |
professional |
defunct |
| Wilmington Hammerheads |
Wilmington, North Carolina |
United Soccer Leagues-Division 2 |
professional |
defunct |
| Wilmington Hammerheads FC |
Wilmington, North Carolina |
USL Premier Development League |
amateur |
defunct |
| Wilmington Hammerheads FC |
Wilmington, North Carolina |
USL Championship |
professional |
defunct |