| Bay Area Seals |
Daly City, California |
Western States Hockey League |
amateur |
defunct |
| Bay Area Seals |
San Francisco, California |
A-League/American Professional Soccer League |
professional |
defunct |
| California Seals |
San Francisco, California |
Western Hockey League |
professional |
defunct |
| California Seals |
San Francisco, California |
National Hockey League |
professional |
defunct |
| Chatham College Seals |
Pittsburgh, Pennsylvania |
|
college |
defunct |
| Florida Seals |
Kissimmee, Florida |
Southern Professional Hockey League |
professional |
defunct |
| Oakland Seals |
Oakland, California |
National Hockey League |
professional |
defunct |
| Orlando Seals |
Orlando, Florida |
World Hockey Association 2 |
professional |
defunct |
| Orlando Seals |
Orlando, Florida |
Atlantic Coast Hockey League |
professional |
defunct |
| San Diego Seals |
San Diego, California |
National Lacrosse League |
professional |
active |
| San Francisco Bay Seals |
San Francisco, California |
A-League/American Professional Soccer League |
professional |
defunct |
| San Francisco Bay Seals |
San Francisco, California |
USL Premier Development League |
amateur |
defunct |
| San Francisco Bay Seals |
San Francisco, California |
United Soccer Leagues-Division 2 |
professional |
defunct |
| San Francisco Seals |
San Francisco, California |
Great West League |
amateur |
active |
| San Francisco Seals |
San Francisco, California |
Central Valley Collegiate League |
amateur |
defunct |
| San Francisco Seals |
San Francisco, California |
USL Premier Development League |
amateur |
defunct |
| San Francisco Seals |
San Francisco, California |
Western Hockey League |
professional |
defunct |
| San Francisco Seals |
San Francisco, California |
Pacific Coast League |
professional |
defunct |
| San Jose Seals |
San Jose, California |
Sierra Baseball League |
amateur |
defunct |
| Selinsgrove Seals |
Selinsgrove, Pennsylvania |
|
high school |
active |
| St. Boniface Seals |
St. Boniface, Manitoba |
Manitoba Junior Hockey League |
amateur |
defunct |
| Victoria Seals |
Victoria, British Columbia |
Golden Baseball League |
professional |
defunct |
| West Coast Seals |
Sacramento, California |
Mountain West Hockey League |
amateur |
defunct |