Cognomen آدا (Ada 
, Ада 
, آدا 
) , worldwide, is a widespread last name. The family name آدا is characteristic of Honduras, where it is a common surname, Equatorial Guinea, and Nicaragua, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Nigeria, India, and Mexico. Also, آدا is the forename as well as the last name.