Ost & Kjex

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| name = Ost & Kjex

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| origin = Kolbotn, Norway

| genre = Electronic

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| current_members = *Tore Gjedrem

• Petter Haavik

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Ost & Kjex is a Norwegian electronic music duo from Kolbotn outside Oslo. The duo consists of Tore ”Jazztobakk” Gjedrem and Petter ”Hi-Fi” Haavik.

In 2007 their track "Milano Mugolian (A Thrilling Mungophony in Two Parts)" was chosen among Pitchfork Media's top 100 tracks of the year,{{cite web|url=http://pitchfork.com/features/staff-lists/6752-top-100-tracks-of-2007/|title=The 100 Best Songs of 2007 - Pitchfork|website=pitchfork.com}} placing 100th.