The American Koi Judges Association currently recognizes the following classifications. Show organizers have the flexibility to adapt this classification structure to meet local practices. Any changes to this structure should be pointed out to the head judge prior to the show.
- Kohaku
- Sanke
- Showa
- Utsurimono
- GinRin
- Doitsu
- Tancho
- Asagi/Shusui
- Koromo/Goshiki
- Bekko
- Hikari Moyomono
- Hikari Mujimono
- Hikari Utsuri
- Mujimono
- Kawarigoi
- Longfin
American Koi Judges Association (AKJA) 