Last name コワ (コワ 
, Quoy 
) , throughout the world, is a rare family name. The family name コワ is habitual in France, where it is a rare surname, Australia, and Canada, where it is a very rare surname. Not in comparison with a country's population, it is commonest in France, Australia, and the United States. Much less frequently, コワ is the forename as well as the last name.