Surname Генна (Genna 
, Henna 
, Генна 
) , around the globe, is quite a common family name. The last name Генна is habitual in Jamaica, where it is quite a common surname, Italy, where it is quite a rare surname, and Mauritius. Measured by absolute frequency, the name is most common in Italy, the United States, and Egypt. More prevalently, Генна is the forename as well as the last name.