| O'Brien,
Makayla - Auburn, WA |
| O'Camb,
Baylee - Gilbert, AZ |
| O'Donnell,
Jocelyn - Everett, WA |
| Officer,
Brandon - Shoreline, WA |
| Officer,
Bryan - Shoreline, WA |
| Ogimachi,
Rebekah - Kirkland, WA |
| Ohlsen,
Suzanna - Monroe, WA |
| Okamura,
Alexa - Redmond, WA |
| O'Kelly,
Kaitlyn - Lake Stevens, WA |
| O'Kinsella,
Connor - Stanwood, WA |
| Olsby,
Jacob - Woodinville, WA |
| Olsoe,
Nicole - Seattle, WA |
| Olson,
Alicia - Forest Grove, OR |
| Olson,
Clara - Mount Hermon, CA |
| Olson,
Emily - Bothell, WA |
| Olson,
Kailey - Lynden, WA |
| Olsoy,
Katelyn - Everett, WA |
| Oostra,
Courtney - Lynden, WA |
| Orando,
Eliot - Silverdale, WA |
| Orr,
Avery - Santa Barbara, CA |
| Ortega,
Miguel - Aurora, CO |
| Ortiz,
Alyssa - Phoenix, AZ |
| Orzechowski,
Michaela - Anchorage, AK |
| Oslie,
Emily - Seattle, WA |
| Osterbaan,
Kyra - Hudsonville, MI |
| Ostermeyer,
Breanna - Tonopah, AZ |
| Otte,
Melissa - Tampa, FL |
| Ouellette,
Quinton - Seattle, WA |