| O'Brien,
Andrea - Spokane, WA |
| O'Camb,
Baylee - Gilbert, AZ |
| Officer,
Brandon - Shoreline, WA |
| Ogata,
Carly - Portland, OR |
| Ogimachi,
Rebekah - Kirkland, WA |
| Ohlsen,
Suzanna - Monroe, WA |
| O'Kelly,
Kaitlyn - Lake Stevens, WA |
| O'Leary,
John - Seattle, WA |
| Olsby,
Jacob - Woodinville, WA |
| Olsoe,
Nicole - Seattle, WA |
| Olson,
Clara - Mount Hermon, CA |
| Olson,
Kailey - Lynden, WA |
| Olszewsky,
Kilian - Olympia, WA |
| Oppenhuizen,
Kendrick - Gig Harbor, WA |
| Ortega,
Miguel - Aurora, CO |
| Ortiz,
Alyssa - Phoenix, AZ |
| Ortiz,
Megan - Fresno, CA |
| Oslie,
Emily - Seattle, WA |
| Osterbaan,
Kyra - Hudsonville, MI |
| Osterman,
Trevor - Seattle, WA |
| Ouellette,
Quinton - Seattle, WA |
| Owens,
Ryan - Ravensdale, WA |