Cognomen ربكا (ربكا 
, Rypka 
) , globally, is a rare surname. The family name ربكا is characteristic of Czechia, where it is a rare surname, Austria, and New Zealand, where it is a very rare surname. In absolute terms, it most frequently occurs in the United States, Czechia, and Austria. Very seldom, ربكا is the forename as well as the last name.