|Full name||Fotballklubben Ørn-Horten|
|Founded||4 May 1904|
manager = Kjell André Thuleague = Second Division
|2015||Second Division/ 2, 11th|
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. It has never played in the main series during the 50's and 60's. Since 2017, Ørn playes in the 3. Division.
Previously, the club also had an active bandy department.
Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.