Family name Lubya (Lubya 
) , in the entire world, is a rare cognomen. The last name Lubya is habitual in Kenya, where it is a rare surname, Spain, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Kenya, India, and Spain. Also, Lubya is the forename as well as the last name.