Family name 瑞格 (Regal 
, 瑞格 
, Rigg 
) , across the world, is a common last name. The last name 瑞格 is characteristic of Norway, where it is quite a common surname, Jamaica, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Norway. Much less frequently, 瑞格 is the forename as well as the last name.