Cognomen Kniya (Kniya 
) , in the world, is a rare family name. The last name Kniya is characteristic of Macao, where it is quite a rare surname, Morocco, where it is a rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Morocco, Macao, and India. Very seldom, Kniya is the forename as well as the last name.