'''STK''' may refer to: * Soumitrisha Kundu, an Indian actress who works in Bengali film and television industry * Saint Kitts and Nevis, UNDP country code * FC ŠTK 1914 Šamorín, a Slovak football club * Save the Kids token, a 2021 cryptocurrency pump and dump scheme * Shoot to Kill, former name for the professional ''Halo'' team Final Boss * SIM Application Toolkit, a part of GSM telephony standard responsible for applications stored on SIM * Soo Teck LRT station, Punggol, Singapore (LRT station abbreviation) * STK Steakhouse, a modern high-end steakhouse chain * ST Kinetics, a Singapore-based arms manufacturer * ''Státní technická knihovna'' (State Library of Technology), 1960–2009 name of the NTK (Czech National Library of Technology) * Storage Technology Corporation (StorageTek), a data storage company acquired in 2005 by Sun Microsystems * ''SuperTuxKart'', an arcade racing game * Synthesis Toolkit, a cross-platform library in C++ for sound synthesis and physical modelling * Systems Tool Kit (formerly Satellite Tool Kit), an astrodynamics computer program from Analytical Graphics, Inc.
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