国际生物科学联合会（International Union of Biological Sciences，IUBS），是一个非政府性的生物学学术组织。1919年，该组织在比利时布鲁塞尔成立。国际生物科学联合会为国际科学理事会（ICSU）的科学联合会成员之一。
英语百科
International Union of Biological Sciences 国际生物科学联合会
The International Union of Biological Sciences (IUBS) is a non-profit organization and non-governmental organization, founded in 1919, that promotes the biological sciences internationally. As a scientific umbrella organization it was a founding member of the International Council for Science (ICSU).