Family name Жуань (Ruan 
, Жуань 
) , throughout the world, is a widespread last name. The surname Жуань is habitual in Macao, where it is quite a common surname, China, and Cayman Islands. In absolute terms, the name is most common in China, the United States, and Mexico. Very seldom, Жуань is the forename as well as the last name.