| Oak Mountain Middle School | - | Junior | - | 0 | |
| Oak Park High School | - | Varsity | Medium | 0 | |
| Oakleaf High School | - | Varsity | Small | 0 | |
| Oakville High School | - | Junior | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsession Cheer & Dance | - | - | - | 0 | |
| Obsidian Cheer and Dance | - | - | - | 0 | |
| OC All Stars | - | Youth | - | 0 | |
| Ocean Springs Middle School | - | Junior | - | 0 | |
| Ocean Springs Middle School | - | Junior | Large | 0 | |
| Odessa Extreme All Stars | - | - | - | 0 | |
| Odessa Extreme All Stars | - | - | - | 0 | |
| Odessa Extreme All Stars | - | - | - | 0 | |
| Odessa Extreme All Stars | - | - | - | 0 | |
| Odessa Extreme Allstars | - | Junior | - | 0 | |
| Odessa Extreme Allstars | - | Tiny | - | 0 | |
| Odessa Extreme Allstars | - | Mini | - | 0 | |
| Odessa Extreme Allstars | - | Youth | - | 0 | |
| Ogden High School | - | - | Small | 0 | |
| Ogden High School | - | - | Medium | 0 | |
| Ogden High School | - | - | Large | 0 | |
| Ogden High School | - | - | - | 0 | |
| Oklahoma Blaze Allstarz | - | Mini | - | 0 | |
| Oklahoma City Storm Pom | - | Junior | - | 0 | |
| Oklahoma City Storm Pom | - | Senior | Small | 0 | |
| Oklahoma City Storm Pom | - | Senior | Small | 0 | |
| Oklahoma City Storm Pom | - | Senior | - | 0 | |
| Olathe Northwest High School | - | - | - | 0 | |
| Olathe Northwest High School | - | - | - | 0 | |
| Olathe Northwest High School | - | Junior | - | 0 | |
| Olathe Northwest High School | - | Junior | - | 0 | |
| Olathe Northwest High School | - | Varsity | - | 0 | |
| Oley Valley High School | - | Junior | - | 0 | |
| Oley Valley High School | - | Varsity | - | 0 | |
| Olive Branch High School | - | Varsity | - | 0 | |
| Olive Branch High School | - | Varsity | - | 0 | |
| Olivia - Hamilton High School | - | - | - | 0 | |
| Olivia - Stevenson High School | - | Junior | - | 0 | |
| Oneonta State Kickline | - | Open | - | 0 | |
| Onstage Dance Center | - | Junior | - | 0 | |
| Onstage Dance Center | - | Junior | - | 0 | |
| Onstage Dance Center | - | Mini | - | 0 | |
| Orange Coast College* | - | Junior | - | 0 | |
| Orange Lutheran High School | - | Junior | - | 0 | |
