The Most Common Surname in Countries Around the World

Tap a country to see its most common surname and the story behind it.

๐Ÿ‡ฐ๐Ÿ‡ท South Korea

Most common surname: Kim (้‡‘) โ€” About 20% of the population shares the surname Kim, and together with Lee and Park, the top three surnames account for nearly half of all South Koreans.

๐Ÿ‡ป๐Ÿ‡ณ Vietnam

Most common surname: Nguyแป…n โ€” Roughly 40% of Vietnam's population shares this surname, making it one of the most concentrated surname distributions relative to population anywhere in the world.

๐Ÿ‡จ๐Ÿ‡ณ China

Most common surnames: Wang, Li, Zhang โ€” These three surnames alone are shared by several hundred million people, making them the most-used surnames on Earth by raw population count.

๐Ÿ‡บ๐Ÿ‡ธ United States

Most common surname: Smith โ€” The most common surname across English-speaking countries, originating from the occupational name for a blacksmith.

๐Ÿ‡ฏ๐Ÿ‡ต Japan

Most common surname: Sato โ€” Along with Suzuki and Takahashi, Sato is considered one of the most common surnames in Japan.

๐Ÿ‡ช๐Ÿ‡ธ Spain

Most common surname: Garcรญa โ€” One of the most common surnames across both Spain and much of Latin America.

๐Ÿ‡ฎ๐Ÿ‡ณ India

Common surnames: Singh, Kumar โ€” India's surnames vary enormously by region, religion, and caste, but Singh and Kumar are especially widespread.

๐Ÿ‡ซ๐Ÿ‡ท France

Most common surname: Martin โ€” France's most common surname, believed to derive from Mars, the Roman god of war.

Why Are Certain Surnames So Common?

Historically, royal families granting surnames, systems that once restricted surname use to certain social classes, and long-standing regional clan traditions have all shaped surname distribution in ways that persist to this day.

Same Surname, Different Family

A shared surname does not always mean a shared family line โ€” in many cultures, unrelated families can carry the same common surname simply because it was widely adopted or assigned independently across different regions.

Frequently Asked Questions

Can people with the same surname be from completely different family lines?

Yes โ€” especially with high-population surnames like Korea's "Kim," people are often divided into different clans based on their ancestral clan seat (bon-gwan), even while sharing the same surname.

Are there countries where people traditionally have no surname at all?

Yes โ€” in some countries and among some minority cultures, it has traditionally been common to use only a given name, with no surname at all.