The 2017 season of the 4. divisjon, the fifth highest association football league for men in Norway.
Between 22 and 26 games (depending on group size) were played in 24 groups, with 3 points given for wins and 1 for draws. Group winners were promoted to the 3. divisjon.
Teams
Group 1
Selbak – promoted
Råde
Ås
Fredrikstad 2
Borgen
Tistedalen
Kråkerøy 2
Borgar
Rakkestad
Sparta Sarpsborg
Sarpsborg
Moss 2 – relegated
Kvik Halden 2 – relegated
Trosvik – relegated
Group 2
Grei – promoted
Holmlia
Lommedalen
Skeid 2
Bærum 2
Rommen
Lyn 2
Oppsal 2
Vollen
Vestli
Romsås
Røa
Group 3
Rilindja – promoted
Heming
Kjelsås 2
Fortuna Oslo
Årvoll
Follo 2
Ullern 2
Oslojuvelene
Majorstuen
Fremad Famagusta
Frigg 2
Hasle-Løren
Group 4
KFUM Oslo 2 – promoted
Nordstrand
Asker 2
Grorud 2
Kolbotn
Manglerud Star
Ski
Nesodden
Fagerborg
Gøy-Nor (changed name to Christiania) Lille Tøyen – relegated Oslo City