Surname
Doi
Doi (土井) is a Japanese surname. Its kanji mean earth + well, and Wikidata lists 117 notable people with this family name.
ど · い · どい
What Doi means
土
earth, soil
井
well
Where the name comes from
Like most Japanese surnames, Doi describes a place. Its kanji point to a well, the kind of landmark a family was known by when surnames became compulsory for everyone in 1875.
Famous people named Doi
Takao Doi 土井 隆雄Japanese astronaut
Ryota Doi 土井 良太Japanese association football player
Takako Doi 土井 たか子Japanese politician (1928-2014)
From Wikidata: notable Japanese people with this family name.