Valko

Valko may refer to:


 * Valkó (village), a village and commune in the Pest county, Hungary
 * Valkó County, a county of the medieval Kingdom of Hungary
 * Ernest Valko, murdered Slovak lawyer
 * Taras Valko, Belarusian sprint canoer
 * Valko Chervenkov, Prime Minister of communist Bulgaria
 * Valko or Vlaksho, region of the 1st Bulgarian Empire.