From Namiko Abe,
Your Guide to Japanese Language.
Ever wondered what the Japanese equivalent of "Smith" is? Here is the list of the top 10 most common Japanese surnames. It is said that more than a hundred thousand different surnames exist in Japanese, but roughly speaking one out of every
ten Japanese has a surname that is listed here.
Click here to learn more about Japanese names. To see a list of the top 500 Japanese family names ordered by frequency, try here.