Surname ウイル (Uyl 
, Uiru 
, ウイル) , across the world, is a rare family name. The cognomen ウイル is habitual in Netherlands, where it is quite a rare surname, Kenya, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, the name is most common in Netherlands, Kenya, and the United States. Very seldom, ウイル is the forename as well as the last name.