Cognomen Salayda (Salayda 
, Салайда 
) , across the world, is a rare family name. The family name Salayda is characteristic of Ukraine, where it is a rare surname, Argentina, where it is a very rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and the United States. Much less frequently, Salayda is the forename as well as the last name.