| Ober,
Bailey - Orting, WA |
| O'Brien,
Kellen - Lynnwood, WA |
| Ogunsemore,
Makayla - Bow, WA |
| Ohta,
Haylie-Anne - Kaneohe, HI |
| Oka,
Ciara - Mililani, HI |
| Olaes,
Isaac - Kent, WA |
| Olcott,
Rachael - Lacey, WA |
| Olson,
Lillian - Lynnwood, WA |
| Olvena,
Elliza - Lynnwood, WA |
| Omlid,
Megan - Stanwood, WA |
| Osborn,
Cadence - Milton, WA |
| Osborn,
Samuel - Lynnwood, WA |
| Osborn-Nienhuis,
Adelaide - Shoreline, WA |
| Oshiro,
Hailey Marie - Pearl City, HI |
| Ou,
Janice - Seattle, WA |