Surname Андай (Anday 
, Андай 
) , in the world, is quite a rare cognomen. The surname Андай is characteristic of Philippines, where it is quite a rare surname, Sudan, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, it is the most numerous in Philippines, Sudan, and the Democratic Republic of the Congo. Likewise, Андай is the forename as well as the last name.