Family name 斯万 (Swan 
, Sivan , Swann ) , across the world, is a widespread last name. The last name 斯万 is habitual in Guernsey, where it is quite a common surname, British Virgin Islands, and Bahamas (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Myanmar. Likewise, 斯万 is the forename as well as the last name.