Surname Igana (Igana 
) , in all the world, is quite a rare last name. The surname Igana is habitual in Philippines, where it is a rare surname, Nigeria, where it is a very rare surname, and the United States, where it is an extremely rare surname. In absolute terms, it is commonest in Philippines, Nigeria, and India. Likewise, Igana is the forename as well as the last name.