Companies
* OC Oerlikon (former ''Unaxis''), a Swiss technology conglomerate, or one of its business units: ** Oerlikon Solar ** Oerlikon Balzers ** Oerlikon Leybold Vacuum * Oerlikon-Bührle, a company in Zürich, Switzerland that used to own Bally Shoe, Oerlikon Contraves, Pilatus Aircraft and Britten-Norman Aircraft; see Fairey Aviation Company * Maschinenfabrik Oerlikon, the Oerlikon subsidiary later became Oerlikon-Bührle, and is now part of Asea Brown Boveri * Oerlikon Contraves, a Swiss anti-aircraft artillery manufacturer founded in Zürich Oerlikon ** Oerlikon KBA, a 25 mm cannon ** Oerlikon 20 mm cannon, an anti-aircraft cannon ** Oerlikon 35 mm twin cannon, an anti-aircraft cannonOther uses
* Oerlikon (Zürich), a district in the northern part of Zürich, Switzerland * Zürich Oerlikon railway station located in Zürich *''Oerlikon'', a world in