Cognomen ראבו (Rabaud 
, Rabaut 
, ראבו 
) , worldwide, is quite a rare last name. The cognomen ראבו is habitual in Mauritius, where it is quite a rare surname, France, and Belgium. Measured by absolute frequency, the name is most common in France, Belgium, and the United States. Much less frequently, ראבו is the forename as well as the last name.