| O'Brien,
Andrea - Spokane, WA |
| O'Camb,
Baylee - Gilbert, AZ |
| Ogimachi,
Rebekah - Kirkland, WA |
| Ohlsen,
Suzanna - Monroe, WA |
| O'Keeffe,
Chatty - Snoqualmie, WA |
| O'Kelly,
Kaitlyn - Lake Stevens, WA |
| Olsen,
Astrid - Seattle, WA |
| Olson,
Clara - Mount Hermon, CA |
| On,
Jacob - Issaquah, WA |
| Oostra,
Courtney - Lynden, WA |
| Orr,
Shannon - San Diego, CA |
| Ortega,
Miguel - Aurora, CO |
| Oshitoye,
Jazzmine - Kirkland, WA |
| Oslie,
Emily - Seattle, WA |
| Osterman,
Trevor - Seattle, WA |
| Ouellette,
Marianna - Everett, WA |
| Ouellette,
Quinton - Seattle, WA |
| Owens,
Ryan - Ravensdale, WA |