Family name Сундквист (Sundqvist 
, Sundquist , Сундквист 
) , in the entire world, is a common last name. The family name Сундквист is characteristic of Northern Europe, particularly Sweden, where it is quite a common surname, Finland, and Norway, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Sweden, the United States, and Finland.