Osek

Osek may refer to:

Czech Republic

 * Osek (Beroun District), a municipality and village in the Central Bohemian Region
 * Osek (Jičín District), a municipality and village in the Hradec Králové Region
 * Osek (Písek District), a municipality and village in the South Bohemian Region
 * Osek (Rokycany District), a municipality and village in the Plzeň Region
 * Osek (Strakonice District), a municipality and village in the South Bohemian Region
 * Osek (Teplice District), a town in the Ústí nad Labem Region
 * Osek, a village and part of Kněžice (Nymburk District) in the Central Bohemian Region
 * Osek, a village and part of Řenče in the Plzeň Region
 * Osek nad Bečvou, a municipality and village in the Olomouc Region
 * Velký Osek, a municipality and village in the Central Bohemian Region

Poland

 * Osiek, Wejherowo County, also known as Òsek, a village in Poland

Slovenia

 * Osek, Nova Gorica, a village in Slovenia

Other

 * OSEK, automotive electronics standard