Faculty of Agro-Industry

• Agro-Industry Development Center for Export (ADCET)
• Calibration Center
• Southern Co-operation and Capacity Building Center for the Thai Food Industries
• Industrial Technology Assistance Program (ITAP)
• Starch and Plant Fiber Research Unit
• Nutraceutical and Functional Food Research and Development Center
• Halal Food Research and Development Center
• Palm Oil Products and Technology Research Center (POPTEC)

Faculty of Dentistry

• Center for Correction and Rehabilitation of Dentofacial Deformity
• Common Oral Diseases and Epidemiology Research Center
• Cranio Maxillofacial Hard Tissue Engineering Center
• Dental Materials Research Unit
• Stem Cell and Regenerative Dental Medicine Research Unit

Faculty of Engineering

• Energy Technology Research Center
• Materials Engineering Research Center
• Center for Network Research
• Specialized Research and Development Center for Alternative Energy from Palm Oil and Oil Crops
• Center of Excellence for Rehabilitation Engineering

Faculty of Environmental Management 

• Southern Regional Geo-Informatics and Space Technology Center: SOUTHGIST
• National Center of Excellence for Environmental and Hazardous Waste Management, Southern Consortium Thailand
• Geo-Informatics Research Center for Natural Resources and Environment
• Research Center for Integrated Ecotourism Management in Southern Thailand
• Wetlands Research Center
• Environmental Biotechnology Research Unit
• Environmental Economics Research Unit
• Social Sciences for Environmental Management Research Unit
• Environmental Laboratory Center
• Centre for Earth System Environment and Adaptation for Sustainability
• Centre for U-Tapao Environmental Study

Faculty of Hospitality and Tourism

• Hospitality Management Research Unit (HMRU)
• Research Clinic of the Faculty of Hospitality and Tourism

Faculty of International Studies

• FIS Research Fund
• Office of Community Service and Translation

Faculty of Law

• Research Unit for Public Law and International Law
• Center for Conflicts of Law
• Specialized Research and Development Center for Public International Law for Human Rights

Faculty of Liberal Arts

• Translation Center
• English Language Testing Center
• Confucius Institute at Prince of Songkla University
• English Clinic

Faculty of Medicine

• Medical Information Center
• Tanyawej Breast Center
• Trauma Center
• Cancer Center
• Institute of Gastroenterology and Hepatology
• Palliative Care Unit
• Southern Medical Rehabilitation Center
• Naradhiwas Rajanagarindra Heart Center

Faculty of Medical Technology

• Center for Medical Laboratory Service

Faculty of Natural Resources

• Agricultural Systems, Resources and Environmental Research Center
• National Biological Control Research Center Southern Regional Center
• Small Ruminant Research and Development Center
• Tropical Fruit and Plantation Crop Research Center
• Aquatic Animal Health Research Center
• Oil Palm Research and Development Center
• Center of Excellence in Agricultural and Natural Resources Biotechnology

Faculty of Nursing

• Center for Holistic Health and Eastern Wisdom
• Center for Research in Nursing and Public Health
• Early Childhood Development Center
• Nursing Learning Resource Center

Faculty of Pharmaceutical Sciences

• Drug Information Center
• Southern Center of Thai Traditional Medicine
• Center for Bioequivalence Studies (Thai Food and Drug Administration Network)
• Drug Delivery System Excellence Center
• Phytomedicine and Pharmaceutical Biotechnology Research Center
• Marine Natural Products Research Unit
• Pharmaceutical and Biomedical Polymers Research Unit

Faculty of Political Science

• Center for Conflict Studies and Cultural Diversity (CSCD)

Faculty of Science

• Center for Genomics and Bioinformatics Research
• Center for Biodiversity of Peninsular Thailand
• Natural Products Research Center
• Membrane Science and Technology Research Center
• Trace Analysis and Biosensor Research Center
• Bioplastic Research Unit
• Crystal Material Research Unit
• Center of Excellence in Nanotechnology for Energy)
• Geophysics Research Center
• Central Equipment Unit
• Glass-Blowing Unit
• Natural Rubber Products Technology Transfer Center
• Prince of Songkla University Herbarium
• Princess Maha Chakri Sirindhorn Natural History Museum
• Southern Laboratory Animal Facility 

Faculty of Science and Technology

• Center of Excellence in Natural Rubber Technology
• Ecological Aquaculture Research Unit
• Ecotoxicology Research Unit
• Plant Tissue Culture Unit
• Analytical Chemistry and Environment Research Unit
• Thermoplastic Elastomer Research Unit
• Islamic Astronomy Research Uni

Faculty of Technology and Environment

• Animation & Multimedia Technology Center (AMTEC)
• Andaman Environment and Natural Disaster Research Center (ANED)
• Biotechnology of Electro-mechanics  Research Unit (BTEM)

Department of Computer Engineering (Phuket Campus)

• Center for ACM-ICPC Regional Programming Contest (Asia Site)

NANOTEC Center of Excellence
Business Incubation Center
High-caliber DNA Forensic Center