LZK

LZK may refer to:


 * LZK (Latvia) (Latvijas Ziņu kanāls or Latvian News Channel), a former TV channel in Latvia
 * An alias for the MAP3K13 enzyme
 * Łódzkie Zakłady Kinotechniczne (ŁZK), a former Polish manufacturer of film projectors
 * The Doppler radar code of the National Weather Service North Little Rock, Arkansas