Doi (surname)

Doi (土井) is a Japanese surname.

Origin and Meaning:

The surname Doi is most commonly written with the kanji 土 (do), meaning "earth" or "soil," and 井 (i), meaning "well." The name likely originated from a place name or a feature near a well surrounded by earth or a landed estate.

Distribution:

Doi is a relatively common surname in Japan, with a notable presence in western Japan, particularly in the Kansai region and Shikoku.

Notable People with the Surname Doi:

• Takako Doi (土井たか子): A prominent Japanese politician who served as the first female Speaker of the House of Representatives.
• Misasao Doi (土居 美咲): A professional tennis player from Japan.
• Many other individuals in various fields, including academia, sports, and entertainment.

Variations:

While 土井 is the most common spelling, there can be regional variations in the family name's origins, even though the pronunciation is similar.