Family name Jovaisa (Jovaisa 
) , globally, is a rare cognomen. The family name Jovaisa is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Estonia, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Lithuania, the United States, and the United Kingdom. Much less frequently, Jovaisa is the forename as well as the last name.