The 2010 2. divisjon season was the men's third-tier football competition in Norway.

26 games were played in 4 groups, with 3 points given for wins and 1 for draws. HamKam, Notodden, Stavanger and Skeid were relegated from the 2009 Norwegian First Division. Asker, Hødd, Randaberg and HamKam were promoted to the 2011 1. divisjon. Number twelve, thirteen and fourteen were relegated to the 3. divisjon, except for the number twelve team with the most points. 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 2011 2. divisjon.

League tables

Group 1

PosTeamPldWDLGFGAGDPtsPromotion or relegation
1Asker (P)2617637130+4157Promotion to First Division
2Notodden2616377125+4651
3Kjelsås2614575847+1147
4Nest-Sotra2614485450+446
5Manglerud Star2611876246+1641
6Åsane26115104946+338
7Bærum26105115244+835
8Førde26105114361−1835
9Frigg2681084448−434
10Vålerenga 226102146168−732
11Stabæk 22687114153−1231
12Os (R)2676134152−1127Relegation to Third Division
13Stord (R)2655163571−3620
14Fana (R)2635182768−4114

Group 2

PosTeamPldWDLGFGAGDPtsPromotion or relegation
1Hødd (P)2618628123+5860Promotion to First Division
2Kristiansund2617456035+2555
3Skeid2615564928+2150
4Rosenborg 22614576439+2547
5Aalesund 226113123647−1136
6Nardo2697104446−234
7Strindheim268993342−933
8Molde 22688104757−1032
9Steinkjer2694134056−1631
10Levanger2686124649−330
11Byåsen2687114060−2029
12Skarbøvik (R)2684143439−528Relegation to Third Division
13Oslo City (R)2654173761−2419
14Kolstad (R)26310133261−2919

Group 3

PosTeamPldWDLGFGAGDPtsPromotion or relegation
1Randaberg (P)2617275140+1153Promotion to First Division
2Flekkerøy2614576033+2747
3FK Tønsberg2613766239+2346
4Ørn-Horten2614395246+645
5Vard Haugesund2613495435+1940
6Odd Grenland 22610884041−138
7Vindbjart26115104752−538
8Vidar2610794740+737
9Pors Grenland26114114141037
10Ålgård2681084536+934
11Fram Larvik2696114553−833
12Start 2 (R)2676134051−1126Relegation to Third Division
13Kopervik (R)2643192965−3615
14Stavanger (R)2636172970−4114

Group 4

PosTeamPldWDLGFGAGDPtsPromotion or relegation
1HamKam (P)2619257525+5059Promotion to First Division
2KFUM Oslo2618356930+3956
3Brumunddal2614486250+1246
4Raufoss26133104138+342
5Harstad26132115851+741
6Tromsø 226121135150+137
7Lørenskog26113125655+136
8Senja26105114852−435
9Valdres26105114045−535
10Ull-Kisa2695124356−1332
11Strømsgodset 22694136370−731
12Lillehammer2694134553−831
13Eidsvold Turn (R)2675144158−1726Relegation to Third Division
14Mo (R)2634192685−5913

Top goalscorers

RankScorerClubGoalsGroup
1Norway Thomas Lehne OlsenHamKam25Group 4
2Norway Mostafa AbdellaoueVålerenga 223Group 1
Norway Armin SistekAsker23Group 1
4Norway Stian NikodemussenManglerud Star21Group 1
Norway Øyvind L. GaustadVindbjart21Group 3
6Norway Eirik SoltvedtUll-Kisa20Group 4
7Norway Jim JohansenStrømsgodset 219Group 4
8Norway Tarjei DaleNotodden18Group 1
Norway Joachim MagnussenHødd18Group 2
Norway Tor Øyvind ReinemoKFUM18Group 4

Source: , , & .

Promotion playoff