Surname אלווין (Alvin 
, Alwin 
, Alwyn ) , around the world, is a common last name. The cognomen אלווין is characteristic of Singapore, where it is quite a common surname, Nicaragua, and Brunei, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Indonesia, the United States, and Malaysia. More prevalently, אלווין is the forename as well as the last name.