The 2005 2. divisjon season was the third highest association football league for men in Norway.
26 games were played in 4 groups, with 3 points given for wins and 1 for draws. Sarpsborg Sparta, Manglerud Star, Haugesund and Tromsdalen were promoted to the First Division. Number twelve, thirteen and fourteen were relegated to the 3. divisjon. The winning teams from each of the 24 groups in the 3. divisjon each faced a winning team from another group in a playoff match, resulting in 12 playoff winners which were promoted to the 2. divisjon.
League tables
Group 1
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|
| 1 | Sarpsborg Sparta (P) | 26 | 21 | 1 | 4 | 90 | 28 | +62 | 64 | Promotion to First Division |
| 2 | Vard Haugesund | 26 | 19 | 3 | 4 | 88 | 27 | +61 | 60 | |
| 3 | Notodden | 26 | 16 | 1 | 9 | 74 | 36 | +38 | 49 |
| 4 | Bærum | 26 | 14 | 6 | 6 | 66 | 42 | +24 | 48 |
| 5 | Drøbak/Frogn | 26 | 13 | 0 | 13 | 64 | 41 | +23 | 39 |
| 6 | Groruddalen | 26 | 11 | 6 | 9 | 61 | 49 | +12 | 39 |
| 7 | Tollnes | 26 | 11 | 4 | 11 | 49 | 46 | +3 | 37 |
| 8 | Ørn-Horten | 26 | 12 | 1 | 13 | 34 | 67 | −33 | 37 |
| 9 | Sprint-Jeløy | 26 | 9 | 4 | 13 | 45 | 61 | −16 | 31 |
| 10 | Sarpsborg | 26 | 9 | 1 | 16 | 45 | 60 | −15 | 28 |
| 11 | Odd Grenland 2 | 26 | 8 | 4 | 14 | 35 | 55 | −20 | 28 |
| 12 | Mercantile (R) | 26 | 8 | 1 | 17 | 31 | 91 | −60 | 25 | Relegation to Third Division |
| 13 | Kvik Halden (R) | 26 | 6 | 5 | 15 | 38 | 52 | −14 | 23 |
| 14 | Fram Larvik (R) | 26 | 4 | 5 | 17 | 25 | 90 | −65 | 17 |
Group 2
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|
| 1 | Manglerud Star (P) | 26 | 19 | 3 | 4 | 82 | 29 | +53 | 60 | Promotion to First Division |
| 2 | Raufoss | 26 | 18 | 4 | 4 | 68 | 34 | +34 | 58 | |
| 3 | Nybergsund | 26 | 16 | 5 | 5 | 57 | 26 | +31 | 53 |
| 4 | Lørenskog | 26 | 13 | 6 | 7 | 67 | 38 | +29 | 45 |
| 5 | Ullensaker/Kisa | 26 | 11 | 6 | 9 | 41 | 40 | +1 | 39 |
| 6 | Molde 2 | 26 | 10 | 5 | 11 | 58 | 59 | −1 | 35 |
| 7 | Eidsvold Turn | 26 | 9 | 7 | 10 | 45 | 49 | −4 | 34 |
| 8 | Gjøvik-Lyn | 26 | 10 | 4 | 12 | 36 | 44 | −8 | 34 |
| 9 | Kjelsås | 26 | 10 | 4 | 12 | 41 | 53 | −12 | 34 |
| 10 | Lillestrøm 2 | 26 | 9 | 6 | 11 | 42 | 53 | −11 | 33 |
| 11 | Brumunddal | 26 | 9 | 3 | 14 | 48 | 58 | −10 | 30 |
| 12 | Træff (R) | 26 | 7 | 4 | 15 | 40 | 57 | −17 | 25 | Relegation to Third Division |
| 13 | Frigg (R) | 26 | 6 | 3 | 17 | 44 | 77 | −33 | 21 |
| 14 | FF Lillehammer (R) | 26 | 4 | 2 | 20 | 26 | 78 | −52 | 14 |
Group 3
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|
| 1 | Viking 2 | 26 | 17 | 5 | 4 | 46 | 19 | +27 | 56 | |
| 2 | Haugesund (P) | 26 | 14 | 9 | 3 | 65 | 31 | +34 | 51 | Promotion to First Division |
| 3 | Flekkerøy | 26 | 15 | 5 | 6 | 49 | 32 | +17 | 50 | |
| 4 | Sandnes Ulf | 26 | 11 | 9 | 6 | 57 | 43 | +14 | 42 |
| 5 | Fyllingen | 26 | 11 | 7 | 8 | 45 | 33 | +12 | 40 |
| 6 | Ålgård | 26 | 10 | 5 | 11 | 48 | 40 | +8 | 35 |
| 7 | Årdal | 26 | 10 | 4 | 12 | 34 | 44 | −10 | 34 |
| 8 | Stord/Moster | 26 | 9 | 6 | 11 | 39 | 47 | −8 | 33 |
| 9 | Åsane | 26 | 10 | 3 | 13 | 36 | 47 | −11 | 33 |
| 10 | Fana | 26 | 10 | 3 | 13 | 37 | 50 | −13 | 33 |
| 11 | Klepp | 26 | 7 | 8 | 11 | 32 | 43 | −11 | 29 |
| 12 | Egersund (R) | 26 | 5 | 8 | 13 | 34 | 51 | −17 | 23 | Relegation to Third Division |
| 13 | Hovding (R) | 26 | 6 | 5 | 15 | 39 | 64 | −25 | 23 |
| 14 | Brann 2 (R) | 26 | 5 | 7 | 14 | 45 | 62 | −17 | 22 |
Group 4
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|
| 1 | Tromsdalen (P) | 26 | 17 | 4 | 5 | 64 | 34 | +30 | 55 | Promotion to First Division |
| 2 | Mo | 26 | 15 | 2 | 9 | 59 | 44 | +15 | 47 | |
| 3 | Levanger | 26 | 14 | 4 | 8 | 68 | 45 | +23 | 46 |
| 4 | Strindheim | 26 | 13 | 6 | 7 | 65 | 39 | +26 | 45 |
| 5 | Steinkjer | 26 | 14 | 1 | 11 | 64 | 62 | +2 | 43 |
| 6 | Skarp | 26 | 13 | 4 | 9 | 61 | 60 | +1 | 43 |
| 7 | Byåsen | 26 | 13 | 3 | 10 | 69 | 44 | +25 | 42 |
| 8 | Ranheim | 26 | 11 | 5 | 10 | 63 | 54 | +9 | 38 |
| 9 | Harstad | 26 | 9 | 8 | 9 | 46 | 47 | −1 | 35 |
| 10 | Rosenborg 2 | 26 | 10 | 2 | 14 | 51 | 59 | −8 | 32 |
| 11 | Kolstad | 26 | 8 | 4 | 14 | 43 | 62 | −19 | 28 |
| 12 | Lyngen/Karnes (R) | 26 | 8 | 1 | 17 | 55 | 89 | −34 | 25 | Relegation to Third Division |
| 13 | Lofoten (R) | 26 | 7 | 2 | 17 | 40 | 89 | −49 | 23 |
| 14 | Innstranden (R) | 26 | 5 | 4 | 17 | 30 | 50 | −20 | 19 |
Top goalscorers
- 30 goals: Norway Kenneth Kvalheim, Notodden
- 24 goals: Norway Vegard Alstad Sunde, Levanger
- 23 goals: France Marc Antoine-Curier, Vard Haugesund
- 20 goals: Norway Andreas Hauger, Bærum
- 19 goals: Norway Sami Sakka, Vard Haugesund Norway Espen Skogland, Haugesund
- 17 goals: Norway Robert Stene, Ranheim
- 16 goals: Norway Andreas Moen, Lørenskog Norway Ronald Turner, Sarpsborg Sparta
- 15 goals: Norway Dag Halvorsen, Kjelsås Norway Kim Nysted, Bærum Norway Trygve Velten, Drøbak/Frogn Norway Fredrik William Henriksen, Flekkerøy Norway Rune Ertsås, Steinkjer Norway Kenneth Torstveit, Sandnes Ulf
Promotion playoff
- . Speaker.no. Archived from on 17 July 2011.
- . Speaker.no. Archived from on 17 July 2011.
- . Speaker.no. Archived from on 2011-07-17.
- . Speaker.no. Archived from on 17 July 2011.