Last name ซิลเวีย (Sylwia 
, ซิลเวีย 
) , across the world, is a common family name. The cognomen ซิลเวีย is habitual in Poland, where it is a common surname, Slovenia, where it is a rare surname, and Ireland. Not in comparison with a country's population, it most frequently occurs in Poland, Spain, and the United Kingdom. Also, ซิลเวีย is the forename as well as the last name.