Football
- California Football Officials Association (CFOARef.org)
The CFOA trains and certifies football officials throughout California, parts of Nevada, Hawaii and US Armed Forces in Japan. The CFOA is comprised of 26 separate units.
- Channel Coast Officials Association
- Foothill Citrus Football Officials Association
- Inland Football Officials Association
- Kern County Officials Association
- Long Beach Football Officials Association
- Los Angeles Football Officials Association
- Los Padres Football Officials Association
- Orange County Football Officials Association
- San Fernando Valley Football Officials Association
- South Bay Officials Association
- Southern California Collegiate Football Officials Association (SCCFOA)
Officiating association for community college officials in Southern California.