MKS

MKS may refer to:


 * MKS (Switzerland), a broker of precious metals
 * MKS Inc., a software vendor (formerly Mortice Kern Systems)
 * MKS Instruments, an American process control instrumentation company
 * MKS system of units of measurement based on the metre, kilogram, and second
 * M. K. Stalin, an Indian politician and current Chief Minister of Tamil Nadu
 * Lincoln MKS, an automobile produced by the Lincoln division of Ford Motor Company
 * Marks & Spencer, stock symbol MKS
 * McKusick–Kaufman syndrome, a rare human genetic condition
 * Moscow Korean School, a Korean international school in Moscow, Russia
 * Mutya Keisha Siobhan, an English girl group
 * Międzyzakładowy Komitet Strajkowy or Inter-Enterprise Strike Committee, formed in Gdańsk Shipyard, Poland in 1980
 * .mks, a file extension for the Matroska open standard free container format