Last name 新宅 (Shintaku 
, 新宅 , Sintaku 
) , in the entire world, is a rare family name. The last name 新宅 is habitual in Taiwan, where it is a rare surname, Singapore, and the United States, where it is a very rare surname. In absolute terms, it is commonest in the United States, China, and Brazil. More frequently, 新宅 is the forename as well as the last name.