Pharmaceutical Society of Singapore (PSS) is a professional organization dedicated to representing pharmacists in Singapore. Established in 1905, it is guided by an elected council consisting of a president and 11 council members. PSS aims to maximize the contribution of pharmacists to the healthcare of Singaporeans.

The society focuses on upgrading pharmacists professionally and reaching out to the public through health education programs. Their mission is to provide Singaporeans with high-quality pharmaceutical services that prioritize safe, effective, and cost-effective drug treatments. PSS offers a comprehensive year-long continuing education program for its members, along with specialized courses in aseptic dispensing and diabetes care.

They also conduct training sessions for pre-registration pharmacists and offer a certified hospital pharmacy technician course. PSS' flagship publication is the monthly eBulletin, which covers professional, pharmaceutical issues, and clinical developments. By joining PSS, members gain access to various benefits and opportunities to contribute as volunteers