| Ochoa,
Jonathan - Moses Lake, WA |
| O'Connor,
Allison - Diamond Bar, CA |
| O'Dell,
Dalen - Laguna Beach, CA |
| Officer,
Bradley - Shoreline, WA |
| Okazaki,
Tad - Kahului, HI |
| Okeson,
Makenna - Anchorage, AK |
| Okonda-Kapinga,
Eveline - Federal Way, WA |
| Olafsdottir,
Lilja - Ona, WV |
| Olea Suarez,
Sydney - Hillsboro, OR |
| O'leary,
Matthew - Olympia, WA |
| Oliver,
Jaeda - Lakewood, CO |
| Olmedo,
Alexandra - Kingston, WA |
| Olsen,
Braden - West Linn, OR |
| Olson,
Crosby - Glendora, CA |
| Olson,
Elizabeth - Spanaway, WA |
| Olson,
Mariah - Albion, NE |
| Ontiveros,
Rebekah - San Jose, CA |
| Onyema,
Kaobimdi - Auburn, WA |
| Orosz,
Tallulah - Sacramento, CA |
| Orre,
Ashley - Pleasant Hill, OR |
| Oschmann,
Kaley - Hastings, MN |
| Oshiro,
Kristyn - Aiea, HI |
| Ovena,
Antonio - Seattle, WA |
| Overton,
Landry - San Antonio, TX |
| Owen,
Sarah - Shoreline, WA |
| Owsley,
Eric - Tonasket, WA |