Family name Romeika (Romeika 
) , worldwide, is a rare cognomen. The family name Romeika is habitual in Lithuania, where it is quite a rare surname, Norway, where it is a very rare surname, and the United States, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Lithuania, the United States, and Brazil. Also, Romeika is the forename as well as the last name.