Kst

KST may refer to:
 * Korea Standard Time
 * Koren Specific Technique, a new age chiropractic technique
 * Korps Speciale Troepen, a Dutch special forces unit.
 * KST oscillator, a stock market indicator
 * Kantonsschule Stadelhofen, a college in Zürich, Switzerland
 * Kst (software), a plotting and data viewing program
 * Kay Susan Tayo!