Family name Rycaj (Rycaj 
) , around the globe, is a rare cognomen. The cognomen Rycaj is habitual in Poland, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. In absolute terms, this name is the most popular in Poland, the United States, and the United Kingdom. More frequently, Rycaj is the forename as well as the last name.