Family name Итая (Itaya 
, Itaja 
, Итая 
) , all around the world, is quite a rare last name. The surname Итая is habitual in Tanzania, where it is a rare surname, Japan, where it is a very rare surname, and India. Not in comparison with a country's population, the name is most common in India, Nigeria, and Japan. More prevalently, Итая is the forename as well as the last name.