Mostek was a manufacturer of integrated circuits.
Mostek may also refer to places:
Czech Republic Mostek (Trutnov District), a municipality and village in the Hradec Králové Region Mostek (Ústí nad Orlicí District), a municipality and village in the Pardubice Region Mostek, a village and part of Dolní Hrachovice in the South Bohemian Region Mostek, an extinct village and part of Rybník (Domažlice District) in the Plzeň Region
Poland Mostek, Lesser Poland Voivodeship, a village in southern Poland Mostek, Podlaskie Voivodeship, a village in north-eastern Poland Mostek, Warmian-Masurian Voivodeship, a settlement in northern Poland
See also MOS Technology