Cognomen 斯威特 (Sweet 
, Swett 
, 斯威特) , in the entire world, is a common last name. The cognomen 斯威特 is characteristic of Guernsey, where it is quite a common surname, Libya, and Suriname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, Indonesia, and Saudi Arabia. Very seldom, 斯威特 is the forename as well as the last name.