Cognomen 桑杜 (Sandu 
, 桑杜 
) , across the world, is a common family name. The surname 桑杜 is habitual in Romania, where it is a common surname, Moldova, where it is quite a common surname, and Cabo Verde. In absolute terms, the name is most common in Romania, India, and Moldova. Likewise, 桑杜 is the forename as well as the last name.