Cognomen ヤ (Ya 
, ヤ 
) , across the world, is a prevalent surname. The last name ヤ is habitual in Myanmar, where it is a widespread surname, India, where it is quite a common surname, and New Zealand (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in India, Myanmar, and China. Also, ヤ is the forename as well as the last name.