| O'Brien,
Kellen - Lynnwood, WA |
| Ocampo,
Jeremy - Wenatchee, WA |
| Ochoa,
Fatima - Brewster, WA |
| Ohta,
Haylie-Anne - Kaneohe, HI |
| Oka,
Ciara - Mililani, HI |
| Olaes,
Isaac - Kent, WA |
| Orellana-Gomez,
Yoanna - Federal Way, WA |
| Ortega-Gonzalez,
Isabella - Lynnwood, WA |
| Osborn,
Cadence - Milton, WA |
| Ouchchen,
Yahya - Lynnwood, WA |
| Ourada,
Madison - Nine Mile Falls, WA |
| Owusu,
Brizette - Lynnwood, WA |