Josuikan Bangkok International School; JBIS (如水館バンコク高等部, Josuikan Bankoku Kōtōbu, Thai: โรงเรียนนานาชาติโจซูอิกัน กรุงเทพฯ, RTGS: Rong Rian Nana Chat Chosuikan Krung Thep)[2] was a Japanese international senior high school in Minburi, Bangkok.

It was an overseas branch of a Japanese private school, or a Shiritsu zaigai kyoiku shisetsu (私立在外教育施設).

[3] The school was operated by Josuikan Education Co., Ltd. (ジョスイカン　エデュケイション　カンパニー Josuikan Edyukeshon Kanpanī).

[4] It closed permanently on 31 March 2024.

[1] This Thailand school-related article is a stub.