Family name סוויני (Sweeney 
, סוויני 
) , across the world, is a common last name. The surname סוויני is characteristic of Ireland, where it is a common surname, U.S. Virgin Islands, where it is quite a common surname, and Antigua and Barbuda (explore the name in all countries). Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Ireland.