Last name Куявский (Kujawski 
, Куявский 
) , globally, is quite a rare family name. The surname Куявский is characteristic of Liechtenstein, where it is quite a common surname, Poland, where it is quite a rare surname, and Germany, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Germany. Likewise, Куявский is the forename as well as the last name.