Last name Айина (Ajina 
, Ayina 
, Aiina 
) , around the globe, is a common family name. The cognomen Айина is habitual in Cameroon, where it is quite a rare surname, the Democratic Republic of the Congo, and Tunisia. Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, Cameroon, and Nigeria. Likewise, Айина is the forename as well as the last name.