Shown below is the list of accepted teams for the 2016 Washington Youth Soccer Founders Cup tournament for the age group.

Boys Under 15 21 - Accepted Teams
Group Club/Team Name City Team ID  Head Coach
 A1 Seattle United NE B00 Blue Edmonds 104162620   James Valles
 A2 Newport FC Cosmos '00 Bellevue 201105151   Mark Calleja
 A3 FME Xtreme '00 Auburn n/a   Sharon Hemphill
 A4 SNOHOMISH UNITED RED B Everett 143355621   Pablo Mummey
 B1 Seattle United South B00 Black Seattle 104162705   Eric Cobb
 B2 2015 Lake Hills Fury B00 Bellevue 201103203   Francois Larrivee
 B3 Storm King B00 - B15 Port Angeles 420274016   Michael Ioffrida
 B4 2015 BYSC Select BU15 Mulfinger Bellevue 201101201   Kirk Mulfinger
 C1 NSC Impact B00 Woodinville 210185251   Bob Dowd
 C2 Seattle United West B00 Blue Vancouver 104162503   Evan Gaul
 C3 WA Timbers B00 Forest Vancouver n/a   Donald Weir
 C4 Crossfire Select B00-Buckley Redmond 207141310   Steven Buckley
 D1 Southlake Select Vipers 00 Renton, Wa 308205124   Isaac Herrera
 D2 UPSC lightning University Place n/a   Mike Gallagher
 D3 Seattle United SH B00 Blue Shoreline 104162414   William Keebler
 D4 Whatcom FC Ra - BU00 White Bellingham 128522200   Brady Van Holland
 E1 Seattle United South B00 Blue Seattle 104162704   Paul Aur
 E2 Crossfire Select B00-Cantrell Sammamish 207141180   Craig Cantrell
 E3 IFC B00 Select Red/Shane Issaquah 201182021   Gary Shane
 E4 Kent United B00 White Renton n/a   Howard Boren
 E5 United Club Goal Rush Woodinville 210195873   Ryan Guest