Seljord IL was one of 494 clubs from Norway that had teams playing during Norway Cup 2018. They participated with three teams in Boys 14 - born 2004 - 11 aside, Girls 13 - born 2005 - 9 aside and Girls 14 - born 2004 - 7 aside respectively. The team in Girls 14 - born 2004 - 7 aside made it to the the 1/16 Final in Playoff A, but lost it against Førde IL by 1-6.

In addition to this, Seljord IL have participated in Norway Cup before. During Norway Cup 2017, Seljord had 5 teams playing in C - Boys 11-aside, 14 years, F - Boys 7-aside, 14 years, B - Boys 11-aside, 15/16 years, S - Girls 11-aside, 14 years and U - Girls 7-aside, 15/16 years respectively. The team in U - Girls 7-aside, 15/16 years made it to the the 1/16 Final in Playoff A, but lost it against Saltdalkameratene, FK FK Saltdalkameratene by 0-10.

Seljord comes from Seljord which lies approximately 130 km from Oslo, where Norway Cup takes place. The area around Seljord does also provide 8 additional clubs participating during Norway Cup 2018 (Skarphedin IL, Heddal IL, Åmdal-Tokke FK, Kviteseid IL, Sauland IL, Skade, IL, Snøgg Fotball and Notodden FK).