Surname
Sawai
Sawai (沢井) is a Japanese surname. Its kanji mean marsh + well, and Wikidata lists 12 notable people with this family name.
さ · わ · い · さわい
What Sawai means
沢
marsh, mountain stream
井
well
Where the name comes from
Like most Japanese surnames, Sawai 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.