#1 Johan Andreas Kibsgård
#2 Ola Anton Walling Storsveen
In addition to Lillestrøm SK, 221 other teams from 31 different countries played in Boys 15. They were divided into 55 different groups, whereof Lillestrøm SK could be found in Group 46 together with Sävedalens IF, AS Meudon and Älta IF 1. Lillestrøm SK continued to Play off B after reaching 4:th place in Group 46. In the playoff they made it to 1/64 Final, but lost it against V. Frölunda IF with 0-1. In the Final, DJK Arminia Eilendorf won over Helium FA and became the winner of Play off B in Boys 15. Lillestrøm SK also participated in Boys 14 during Gothia Cup 2018. They reached the Semi final in B14 Play off A, but lost it against Lizzy Football Club with 0-1.