| Clubname: | Ørn Horten |
| Fullname: | Fotballklubben Ørn Horten |
| Nickname: | Ørn, Ørnane |
| Capacity: | 1,000 |
| Chairman: | Kjetil Ramberg |
| Manager: | Kjell André Thu |
| Mgrtitle: | Head coach |
| League: | 2. divisjon |
| Season: | 2023 |
| Position: | 2. divisjon group 1, 7th of 14 |
| Pattern B1: | _whiteV |
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| Rightarm1: | 833C12 |
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| Socks1: | FFFFFF |
| Pattern La2: | _hummelauthentic20w |
| Pattern B2: | _hummelauthentic20w |
| Pattern Ra2: | _hummelauthentic20w |
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Fotballklubben Ørn Horten, formerly Ørn fotballklubb, abbreviated Ørn FK, popularly known as De brune or Ørnane, was founded on 4 May 1904, and is Horten's largest football club. The club won the Norwegian Cup four times in the 1920s and '30s and played in the top division during the 1950s and '60s. Since 2022, Ørn plays in the Norwegian Second Division, the third tier of the Norwegian football league system.
Ørn Horten's current head coach is Kjell Andre Thu, a former player at the club. Ørn has developed several talents, recent examples include Adnan Hadzic to Start, Benjamin Zalo to Swedish football and Julian Kristoffersen to Danish football.[1]
Previously, the club also had an active bandy department.
Bjørn Odmar Andersen Trym Bergman Harry Boye Karlsen Per Bredesen Arnar Førsund Ardian Gashi Jørgen Jalland Dag Riisnæs Harald Strøm| Season | scope=col colspan="9" | League | Cup | Notes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Pos. | Pl. | W | D | L | GS | GA | P | |||||
| 2011 | 2. divisjon | align=right | 4 | 26 | 15 | 3 | 8 | 50 | 38 | 48 | Second round | ||
| 2012 | 2. divisjon | align=right bgcolor="#FFCCCC" | 12 | 26 | 8 | 4 | 14 | 42 | 50 | 28 | First round | Relegated | |
| 2013 | 3. divisjon | align=right bgcolor=#DDFFDD | 1 | 26 | 20 | 3 | 3 | 88 | 30 | 63 | First round | Promoted | |
| 2014 | 2. divisjon | align=right | 10 | 26 | 10 | 1 | 15 | 50 | 57 | 31 | Second round | ||
| 2015 | 2. divisjon | align=right | 11 | 26 | 6 | 6 | 14 | 29 | 48 | 24 | Second round | ||
| 2016 | 2. divisjon | align=right bgcolor="#FFCCCC" | 13 | 26 | 3 | 2 | 21 | 28 | 78 | 11 | First round | Relegated | |
| 2017 | 3. divisjon | align=right | 2 | 26 | 16 | 4 | 6 | 60 | 29 | 52 | Third round | ||
| 2018 | 3. divisjon | align=right | 2 | 26 | 15 | 7 | 4 | 66 | 24 | 52 | Second round | ||
| 2019 | 3. divisjon | align=right | 5 | 26 | 14 | 8 | 4 | 57 | 29 | 50 | First round | ||
| 2020 | Season cancelled | ||||||||||||
| 2021 | 3. divisjon | align=right bgcolor=#DDFFDD | 1 | 13 | 9 | 2 | 2 | 32 | 12 | 29 | First round | Promoted | |
| 2022 | 2. divisjon | align=right | 8 | 24 | 7 | 8 | 9 | 37 | 38 | 29 | First round | ||