Cognomen Ninya (Ninya 
, นินจา 
) , in the world, is a rare family name. The surname Ninya is habitual in Morocco, where it is a rare surname, United Arab Emirates, and Spain, where it is a very rare surname. In absolute terms, the name is most common in Morocco, United Arab Emirates, and India. More prevalently, Ninya is the forename as well as the last name.