| Okanagan Firestorm Cheerleading | L2 | U16 | Large | 0 | |
| Oklahoma State University | - | - | Large | 0 | |
| Oklahoma State University | - | - | Large | 0 | |
| Oklahoma Twisters | L3 | Senior | Large | 0 | |
| Olathe East High School | - | Varsity | Large | 0 | |
| Olathe Northwest High School | - | Varsity | Large | 0 | |
| Olathe Northwest High School | - | Varsity | Large | 0 | |
| Olathe Northwest High School | - | Varsity | Large | 0 | |
| Olathe Northwest High School | - | Junior | - | 0 | |
| Olathe Northwest High School | - | Varsity | Large | 0 | |
| Olathe West High School | - | Varsity | Medium | 0 | |
| Olathe West High School | - | Varsity | Large | 0 | |
| Old Bridge High School | - | Varsity | Small | 0 | |
| Old Bridge High School | - | Varsity | Large | 0 | |
| Oldham County High School | - | Varsity | Small | 0 | |
| Oldham County Middle School | - | Junior | Large | 0 | |
| Oldham County Middle School | - | Junior | Large | 0 | |
| Olentangy Berlin High School | - | Varsity | - | 0 | |
| Olentangy Berlin High School | - | Varsity | - | 0 | |
| Oley Valley High School | - | Junior | Large | 0 | |
| Olive Branch High School | - | Varsity | Small | 0 | |
| Olive Branch High School | - | Varsity | - | 0 | |
| Olive Branch High School | - | Varsity | Large | 0 | |
| Olympia Allstar Cheerleading | L1 | U16 | Large | 0 | |
| Olympia Allstar Cheerleading | L3 | Open | Large | 0 | |
