Setoguchi

Setoguchi is a Japanese surname, meaning "mouth of the channel ". People with this surname include:

Devin Setoguchi, Canadian former ice hockey player
Kozue Setoguchi, Japanese footballer
Mitsuki Setoguchi, Japanese idol
Tokichi Setoguchi, Japanese composer and conductor

Fictional characters with this surname include:

Hina Setoguchi, a main character in 2016 Japanese animated film ''Suki ni Naru Sono [Shunkan o]''