Busan International High School (Korean: 부산국제고등학교; Hanja: 釜山國際高等學校; RR: BIHS) is a prominent high school located in Busan, South Korea specializing in the humanities & social science.

BIHS is a co-educational public high school, opened in 1997 for the purpose of preparing students as experts in international relations.

Instead, they are distributed randomly into seven classes in each year, and select their second foreign language among Chinese, Japanese, Spanish, and French.

Middle school grades, and interviews along with future scholastic plans are taken into consideration in order to select 160 students per year.

The reputation of the school in Busan is relatively high, and the majority of students pursue a secondary degree in prestigious universities located in Seoul.