Whose Last Name Is Nguyen?

Nguyễn is the most common Vietnamese surname / family name. Outside of Vietnam, the surname is commonly rendered without diacritics as Nguyen. Nguyên is a different surname.

What nationality is last name Nguyen?

Nguyen, a Chinese-based family name used by a royal dynasty dating from around the 11th century, is estimated by some to be used by around 40 percent of the total population of Vietnam.

Why is last name Nguyen so common?

In 19th century, Vietnam was a territory of the French. The French had a large scale population investigation during that period and faced a huge challenge which was that many Vietnamese people didn't have a correct last name. So the French decided to give those people a last name, and they chose Nguyen.