Persatuan Aktuaris Indonesia or The Society of Actuaries of Indonesia (PAI) is the national organization of the actuarial profession in Indonesia dedicated to serving the public and its members. 

PAI was founded on October 19, 1964 with 25 members. Over the years, government regulations toward insurance and pension plan industries which required certification by an FSAI has contributed to the growing of the actuarial profession in Indonesia and also the statutory recognition of Fellowship of the Society of Actuaries of Indonesia (FSAI). Currently, PAI comprises 180 Fellows and 200 Associates.

PAI issues manuals of Actuarial Standard of Practice and Code of Ethics which contain the professional practice and code of conduct standards. These manuals guide members what is proper professional conduct in many of the circumstances in which they may find themselves.  PAI also issue guidance on disciplinary process to ensure the compliance of professional practice and code of conducts standards by its members.

PAI is a member of the International Actuarial Association since December 2005. As a member of the international organization, PAI represents Indonesian actuaries internationally and partners with other international actuarial organizations in areas of mutual interest.