Cognomen Ryzyk (Ryzyk 
) , worldwide, is a rare last name. The family name Ryzyk is habitual in Belgium, where it is a rare surname, Poland, and Argentina, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Belgium, and the United States. Likewise, Ryzyk is the forename as well as the last name.