| Obungen,
Fritz - Auburn, WA |
| Oddy,
Miranda - Simi Valley, CA |
| O'Hara,
Brielle - Benson, AZ |
| Ohlsen,
Emma - Liberty Lake, WA |
| Olea Suarez,
Sydney - Hillsboro, OR |
| Oliver,
Jaeda - Lakewood, CO |
| Olson,
Briley - Windsor, CO |
| Olson,
Elizabeth - Spanaway, WA |
| Ordaz,
Mariza - Huntington Beach, CA |
| Orellana,
Michael - Burien, WA |
| Ortega,
Ariel - Portland, OR |
| Ortega,
Martina - Redmond, WA |
| Oscarson,
Audrey - Bellingham, WA |
| Osman,
Aisha - Burien, WA |
| Osorio-Maciel,
Jazmin - Monmouth, OR |
| Ourada,
Madison - Nine Mile Falls, WA |
| Ovenell,
Griffin - Lynnwood, WA |
| Overton,
Landry - San Antonio, TX |
| Owsley,
Eric - Tonasket, WA |
| Owusu,
Brizette - Lynnwood, WA |