Surname
Ōguchi
Ōguchi (大口) is a Japanese surname. Its kanji mean big + mouth, and Wikidata lists 12 notable people with this family name.
お · お · ぐ · ち · おおぐち
What Ōguchi means
大
big, great
口
mouth
Where the name comes from
The kanji of Ōguchi mean big + mouth. Many surnames like it began as descriptions of a family's land, trade or position before surnames were required for every household in 1875.