Surname
Hirai
Hirai (平井) is a Japanese surname. Its kanji mean peace + well, and Wikidata lists 87 notable people with this family name.
ひ · ら · い · ひらい
What Hirai means
平
peace, flat
井
well
Where the name comes from
Like most Japanese surnames, Hirai 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 Hirai
Naohito Hirai 平井 直人Japanese association football player
Ken Hirai 平井 堅Japanese singer songwriter (1972-)
From Wikidata: notable Japanese people with this family name.