Surname 明久 (明久 
, Mingjiu 
, Akihisa 
) , throughout the world, is quite a rare last name. The cognomen 明久 is characteristic of Japan, where it is a rare surname, Czechia, and China, where it is a very rare surname. Not in comparison with a country's population, it is commonest in China, Japan, and Indonesia. More prevalently, 明久 is the forename as well as the last name.