| Kabaadi,
Dorcas - Monroe, WA |
| Kadhem,
Mustafa - Redmond, WA |
| Kalenga,
Dan - Seattle, WA |
| Kang,
Rhean - Auburn, WA |
| Karim,
Muntasin - Feni Sadar, Feni, BANGLADESH |
| Kaur,
Jaspreet - Auburn, WA |
| Kawangu,
Pascal - Newcastle, WA |
| Kearns,
Layne - Corvallis, MT |
| Kelile,
Dawit - Lynnwood, WA |
| Kenzhetayeva,
Laura - Almaty, KAZAKHSTAN |
| Kessler,
Paige - Castle Rock, WA |
| Kilby,
Emma - Bainbridge Is, WA |
| Kim,
Anna - Snohomish, WA |
| Kim,
Dohyun - Bothell, WA |
| Kim,
Gloria - Kent, WA |
| Kim,
Joyce - Edmonds, WA |
| Kim,
Jung Ah - Auburn, WA |
| Kim,
Samuel - Kenmore, WA |
| Kim,
Sofie - Lynnwood, WA |
| King,
Tatyana - Seattle, WA |
| Kiyota,
Brenna - Kamuela, HI |
| Kogoya,
Bernard - Sentani, INDONESIA |
| Kolobovnikov,
Aleksandra - Vancouver, WA |
| Kopp,
Samantha - Maple Valley, WA |
| Korth,
Nathan - Bonney Lake, WA |
| Kozyrev,
Anna - Seattle, WA |
| Krieger,
Pippa - Chandler, AZ |
| Krivanek,
Rachel - Redmond, WA |
| Krueger,
Taylor - Tigard, OR |
| Krysak,
Anhelina - Marysville, WA |
| Ku,
Jasmine - Redmond, WA |
| Kuang,
Sarah - Lynnwood, WA |
| Kubota,
Hikaru - Shinagawa, JAPAN |
| Kuns,
Rhiannon - Beaverton, OR |
| Kuo,
Charis - Kaohsiung, TAIWAN |
| Kwan,
Jeffrey - Bellevue, WA |