2023 Norwegian Fourth Division
The 2023 season of the 4. divisjon, the fifth highest association football league for men in Norway.
Finnmark reverted from their regular/playoff format used last season, but instead Nordland adopted the format. The 7 teams from Nordland played a round-robin tournament, followed by the top 4 facing each other in playoffs and the bottom 3 doing the same, retaining all points from the regular season. The playoffs were similar to championship rounds and relegation rounds from other leagues, but were named [|playoff] and placement, respectively.
Teams
;Østfold- Råde – lost playoff
- Drøbak-Frogn
- Kråkerøy
- Ås
- Askim
- Sarpsborg
- Moss 2
- Sparta Sarpsborg
- Østsiden
- Sprint-Jeløy 2
- Borgen
- Lisleby
- Kvik Halden 2 – relegated
- Tistedalen – relegated
- Ready – promoted
- Christiania
- Heming
- Lyn 2
- Kjelsås 2
- Union Carl Berner
- Grüner
- Bærum 2
- Lommedalen
- Asker 2
- Fagerborg – relegated
- Holmen – relegated
- Gamle Oslo – promoted
- Grei
- Holmlia
- Årvoll
- Manglerud Star
- Stovner
- Follo 2
- Lokomotiv Oslo 2
- Oppsal 2
- Oslojuvelene
- Kolbotn – relegated
- Oldenborg – relegated
- Aurskog-Høland – promoted
- Ull/Kisa 2
- Rælingen
- Eidsvold
- Sørumsand
- Fjellhamar
- Løvenstad
- Lørenskog 2
- Hauerseter
- Raumnes & Årnes
- Eidsvold Turn 2
- Kløfta
- Strømmen 2
- Gjelleråsen 2 – relegated
- Kongsvinger 2 - promoted
- Lillehammer
- Kolbukameratene
- Gjøvik-Lyn 2
- Gran
- Ottestad
- Nybergsund
- Faaberg
- Toten
- Brumunddal 2 - relegated
- Valdres
- Flisa
- Løten - relegated
- Furnes - relegated
- Åssiden – won playoff
- Hallingdal
- Konnerud
- Vestfossen
- Drammens BK
- Modum
- Jevnaker
- Eiker/Kvikk
- Svelvik
- Stoppen
- Kongsberg
- Sande
- Hokksund
- ROS – relegated
- Flint – won playoff
- Åsgårdstrand
- Sandefjord BK
- Teie
- Eik Tønsberg 2
- Stag/Fram 2
- Ørn-Horten 2
- Nøtterøy
- Re
- Runar
- Husøy & Foynland – relegated
- Hei – lost playoff
- Pors 2
- Storm
- Urædd
- Eidanger
- Skarphedin
- Stathelle/Langesund
- Odd 3
- Notodden 2
- Tollnes
- Skiens Grane – relegated
- Kragerø – relegated
- Vigør - promoted
- Express
- Jerv 2
- Trauma
- Søgne
- Våg
- Lyngdal
- Froland
- Vindbjart 2
- Giv Akt
- Flekkefjord
- Torridal – relegated
- Hisøy – relegated
- Fløy 2 – relegated
- Sola - promoted
- Rosseland
- Varhaug
- Vardeneset
- Vidar 2
- Frøyland
- Bryne 2
- Egersund 2
- Stavanger
- Randaberg
- Midtbygden – relegated
- Klepp – relegated
- Brusand – relegated
- Hundvåg – relegated
- Haugesund 2 − promoted
- Åkra
- Forus og Gausel
- Nord
- Torvastad
- Vard Haugesund 2
- Sandved
- Ålgård
- Hana
- Hinna
- Kopervik
- Riska – relegated
- Skjold – relegated
- Djerv 1919 2 – relegated
- Askøy − promoted
- Arna-Bjørnar
- Voss
- Osterøy
- Nordhordland
- Odda
- Trio
- NHHI
- Sund
- Radøy – relegated
- Sotra 2 – relegated
- Øystese/Norheimsund – relegated
- Åsane 2 − promoted
- Lyngbø
- Varegg
- Austevoll
- Nymark
- Fana 2
- Tertnes
- Djerv
- Flaktveit
- Smørås
- Trott/Solid/Stord 2 – relegated
- Sædalen – relegated
- Årdal − promoted
- Fjøra
- Eid
- Stryn
- Høyang
- Måløy
- Førde 2
- Sandane
- Studentspretten
- Jølster
- Vik
- Bremanger – relegated
- Herd – lost playoff
- Ørsta
- Bergsøy
- Rollon
- SIF/Hessa
- Hovdebygda
- Hareid
- Aksla
- Volda 2 – relegated
- Langevåg
- Blindheim – relegated
- Norborg/Brattvåg 2 – relegated
- Træff 2
- Surnadal – won playoff
- Tomrefjord
- Dahle
- Eide og Omegn
- Åndalsnes
- Sunndal
- Elnesvågen og Omegn
- Midsund
- Vestnes Varfjell
- Malmefjorden
- Hjelset-Kleive – relegated
- Trygg/Lade − promoted
- Ranheim 2
- Vuku
- Rørvik
- Levanger 2
- Flatanger
- Stjørdals-Blink 2
- Nidelv
- Heimdal
- Lånke
- Namsos – relegated
- Charlottenlund – relegated
- Melhus − promoted
- Tynset
- NTNUI
- Kvik
- Sverresborg
- Strindheim 2
- Alvdal
- KIL/Hemne
- Hitra
- Nardo 2 – relegated
- Ørland – relegated
- Orkla 2 – relegated
;Nordland playoff
- Innstranda − won playoff
- Fauske/Sprint
- Sandnessjøen
- Grand Bodø
- Hulløy Bodø
- Rana 2
- Bossmo & Ytteren
- Harstad − won playoff
- Melbo
- Medkila
- Morild
- Lofoten
- Sortland
- Landsås
- Andenes – withdrew after season
- Leknes/Ballstad
- Stokmarknes
- Ulfstind − won playoff
- Finnsnes
- Hamna
- Storelva
- Skarp
- Senja
- Tromsdalen 2
- Ishavsbyen – withdrew after season
- Krokelvdalen
- Nordreisa
- Salangen
- Ringvassøy – relegated
- Kirkenes − lost playoff
- Bossekop
- Alta 2
- Tverrelvdalen – withdrew after season
- Sørøy Glimt – withdrew after season
- Porsanger
- Norild
- Nordlys
- Indrefjord
- Honningsvåg – relegated