Overhalla IL was one of 494 clubs from Norway that had teams playing during Norway Cup 2018. They participated with one team in Girls 17 - born 2001 - 11 aside.

In addition to Overhalla IL, 36 other teams from 4 different countries played in Girls 17 - born 2001 - 11 aside. They were divided into 9 different groups, whereof Overhalla IL could be found in Group 1 together with Tormenta FC, Askøy Sportsklubb and Skjelstadmark IL.

Overhalla IL continued to Playoff A after reaching 2:nd place in Group 1. In the playoff they made it to 1/8 Final, but lost it against Molde FK with 0-10. In the Final, Molde FK won over Herd, Spk. - Fotball and became the winner of Playoff A in Girls 17 - born 2001 - 11 aside.

Overhalla comes from Overhalla which lies approximately 520 km from Oslo, where Norway Cup takes place. Other than Overhalla IL, the club Namsos IL does also originate from the area around Overhalla.