International Primatological Society

{{Short description|Organization focused on primates}}

The International Primatological Society (IPS) is a scientific, educational, and charitable organization focused on non-human primates. It encourages scientific research in all areas of study, facilitates international cooperation among researchers, and promotes primate conservation.

Together with the IUCN Species Survival Commission Primate Specialist Group (IUCN/SSC PSG) and Conservation International (CI), it jointly publishes a biannual report entitled Primates in Peril: The World's 25 Most Endangered Primates.{{cite book|editor1-last=Mittermeier |editor1-first=R.A. |editor2-last=Wallis |editor2-first=J. |editor3-last=Rylands |editor3-first=A.B. |editor4-last=Ganzhorn |editor4-first=J.U. |editor5-last=Oates |editor5-first=J.F. |editor6-last=Williamson |editor6-first=E.A. |editor7-last=Palacios |editor7-first=E. |editor8-last=Heymann |editor8-first=E.W. |editor9-last=Kierulff |editor9-first=M.C.M. |editor10-last=Long Yongcheng |editor11-last=Supriatna |editor11-first=J. |editor12-last=Roos |editor12-first=C. |editor13-last=Walker |editor13-first=S. |editor14-last=Cortés-Ortiz |editor14-first=L. |editor15-last=Schwitzer |editor15-first=C. |others=Illustrated by S.D. Nash |editor-link=Russell Mittermeier |year=2009 |title=Primates in Peril: The World's 25 Most Endangered Primates 2008–2010 |publisher=IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI) |pages=1–92 |isbn=978-1-934151-34-1 |url=http://www.primate-sg.org/PDF/Primates.in.Peril.2008-2010.pdf |url-status=dead |archiveurl=https://web.archive.org/web/20110810115451/http://www.primate-sg.org/PDF/Primates.in.Peril.2008-2010.pdf |archivedate=2011-08-10 }}

Jan van Hooff served as secretary general of the organization.{{cite web|url=http://ubv.info/vereniging/ereleden/jan-van-hooff/ |archive-url=https://web.archive.org/web/20230207185616/https://ubv.info/vereniging/ereleden/jan-van-hooff/ |title=Jan van Hooff |language=nl |publisher=Utrechtse Biologen Vereniging |archive-date=7 February 2023}}