This is a list of research institutes in Greece.
- "Athena" Research and Innovation Center in ICT and Knowledge Technologies (formerly KETEP/IRIS)
- Industrial Systems Institute (INBIS/ISI)
- Institute for Language and Speech Processing (ILSP)
- Information Management Systems Institute (IMSI - formerly known as Institute for the Management of Information Systems IMIS)
- Hellenic Technology Clusters Initiative "Corallia"
- Academy of Athens
- Foundation for Biomedical Research of the Academy of Athens
- Research Centre for Modern Greek Dialects
- Hellenic Folklore Research Centre
- Center of Research for Medieval and Modern Hellenism
- Research Center for the History of Greek Law
- Center of Research into the History of Modern Hellenism
- Research Center for Greek and Latin Literature
- Research Centre for Greek Philosophy
- Research Centre for Atmospheric Physics and Climatology
- Research Center for Antiquity
- Center of Research into Greek Society
- Research Centre for Byzantine and Post-Byzantine Art
- Research Center for Scientific Terms and Neologisms
- Research Center for Astronomy and Applied Mathematics
- Research Center of Pure and Applied Mathematics
- Biomedical Sciences Research Center (BSRC) "Alexander Fleming"
- Center for European Constitutional Law (CECL)
- Center for the Greek Language
- Center of International & European Economic Law (CIEEL)
- Centre of Planning and Economic Research (KEPE)
- Center for Research and Technology Hellas (CERTH)
- Center for Renewable Energy Sources (CRES)
- Centre for Plasma Physics and Lasers, T.E.I. of Crete
- Centre for Technological Research of Crete (CTR-C)
- Computer Technology Institute and Press "Diophantus"
- Education Research Centre
- Eugenides Foundation
- Exports' Research and Studies Institute (IEES)
- Institute of Optics and Vision (IVO)
- National Agricultural Research Foundation (NAGREF)
- National Engineering Research Institute of Greece (NERIG)
- Animal Research Institute
- Institute of Viticulture, Vegetable crops and Floriculture of Heraklion
- Institute of Agricultural Machinery and Constructions
- Forest Research Institute
- Veterinary Research Institute
- Hellenic Institute of Apiculture
- Cereal Institute
- Institute of Mediterranean Forest Ecosystems & Forest Products Technology
- Institute of Subtropical Plants and Olive Tree of Chania
- National Hellenic Research Foundation (EIE) - Athens
- Foundation for Economic and Industrial Research (IOBE)
- Foundation for Research & Technology - Hellas (FORTH)
- Institute of Applied Computational Mathematics (IACM)
- Institute of Astrophysics (IA)
- Institute of Chemical Engineering & High Temperature Processes (ICE/HT)
- Institute of Computer Science (ICS)
- Institute of Electronic Structure and Laser (IESL)
- Institute of Mediterranean Studies (IMS)
- Institute of Molecular Biology & Biotechnology (IMBB)
- Biomedical Research Division (BRD)
- Institute of Petroleum Research
- Hellenic Geological Institute
- Hellenic Institute of International & Foreign Law
- Hellenic Centre for Marine Research (NCMR)
- Institute of Oceanography
- Institute of Aquaculture
- Institute of Marine Biological Resources
- Institute of Inland Waters
- Institute of Marine Biology and Genetics
- Hellenic Institute for Occupational Health and Safety (ELINYAE)
- Hellenic Pasteur Institute - Athens
- Institute of Biomedical Technology (INBIT)
- Institute of Communication & Computer Systems (ICCS)
- Institute of Geology and Mineral Exploration
- Institute of International Relations (IIR)
- Institute for International Economic Relations (IIER)
- Mediterranean Agronomic Institute of Chania
- National Center for Social Research (EKKE)
- National Observatory of Athens
- National Centre of Scientific Research "Demokritos" - Athens
- Institute of Informatics and Telecommunications
- Institute of Biosciences and Applications
- Institute of Nuclear and Radiological Sciences, Energy, Technology and Safety
- Institute of Advanced Materials, Physicochemical Processes, Nanotechnology & Microsystems
- Institute of Nuclear and Particle Physics
- National School of Public Health
- Research Centre for Equal Opportunities (KETHI)
- Society for Social and Economic Studies (EKOME)
- Space Internetworking Center (SPICE)
- Telecommunication Systems Institute
- University Research Institute of Social Insurance, Health & Assistance (EPIKAYP)