Last name Рабау (Rabau 
, Рабау 
) , around the globe, is a rare family name. The surname Рабау is habitual in Belgium, where it is quite a rare surname, Israel, where it is a rare surname, and France, where it is a very rare surname. In absolute terms, the name is most common in Belgium, France, and Nigeria. Much less frequently, Рабау is the forename as well as the last name.