WLK (disambiguation)

WLK or Wlk may refer to:
 * World of Warcraft: Wrath of the Lich King, the second expansion set for the World of Warcraft
 * wlk, the ISO 639-3 code for Wailaki language
 * Selawik Airport, the IATA code WLK
 * Windows Logo Kit, a software framework
 * Allan Wlk, a Paraguayan footballer
 * Westlake Corporation, the NYSE code WLK