| Institutum canarium (site web) | 2 revues |
| Instrumentum (site web) | 1 revue |
| Instytut Archeologii i Etnologii Polskiej Akademii Nauk (site web) | 1 revue |
| Instytut Badań Edukacyjnych = Educational research institute — IBE (site web) | 1 revue |
| Instytut Filozofii UŁ (site web) | 1 revue |
| Instytut Historii Nauki — IHN (site web) | 1 revue |
| Instytut Historii PAN — IH PAN (site web) | 3 revues |
| Instytut Kultur Śródziemnomorskich i Orientalnych Polskiej Akademii Nauk — IKŚiO PAN (site web) | 1 revue |
| Instytut matematyczny (site web) | 1 revue |
| Intangible Capital (site web) | 1 revue |
| Integrative Organismal Biology (site web) | 1 revue |
| Intellect books | 3 revues |
| Intellectica (site web) | 1 revue |
| Intemelion (site web) | 1 revue |
| Inter CDI (site web) | 1 revue |
| Inter-Lelieu (site web) | 0 revue |
| Inter-Research Science Publisher — IR | 5 revues |
| Interactions, Corpus, Apprentissages, Représentations — ICAR (site web) | 1 revue |
| Interamerican Journal of Health Sciences — IJHS (site web) | 1 revue |
| Interanalytics (site web) | 1 revue |
| Intereconomics : review of european economic policy/ (site web) | 1 revue |
| Interface (site web) | 1 revue |
| Interfas : réseau d'appui aux revues en accès ouvert | 8 revues |
| Internation council on monuments and sites = conseil international des monuments et des sites — ICOMOS (site web) | 1 revue |
| International Academic Forum — IAFOR | 10 revues |
| International association for energy economics — IAEE (site web) | 1 revue |
| International Association for Political Science Students — IAPSS (site web) | 1 revue |
| International Association for Statistical Education — IASE (site web) | 1 revue |
| International Association of Chiefs of Police — IACP (site web) | 1 revue |
| International Association of Hydrological Sciences — IAHS (site web) | 1 revue |
| International Association of Physical Chemists — IAPC | 1 revue |
| International association of school librarianship — IASL (site web) | 1 revue |
| International Association on Social Quality — IASQ (site web) | 1 revue |
| International Bureau of Fiscal Documentation — IBFD (site web) | 1 revue |
| International Centre for Scientific and Technical Information — ICSTI (site web) | 1 revue |
| International Commission of Jurists — ICJ (site web) | 2 revues |
| The International Committee for the History of Technology — ICOHTEC (site web) | 1 revue |
| International Consortium for the Advancement of Academic Publication — ICAAP (site web) | 1 revue |
| International Council for Traditional Music — ICTM (site web) | 1 revue |
| International Council of Canadian Studies = Conseil International d'études canadiennes (site web) | 0 revue |
| International Council of Museums = Conseil International des Musées — ICOM (site web) | 1 revue |
| The International Dada Archive (site web) | 1 revue |
| International Economic Society | 1 revue |
| International Federation of Automatic Control — IFAC (site web) | 1 revue |
| The International Institute for Strategic Studies — IISS (site web) | 1 revue |
| International Institute for the Study of Cuba (site web) | 1 revue |
| International Institute of Administrative Sciences - IISA (site web) | 1 revue |
| International institute of social history — IISH (site web) | 1 revue |
| International journal for research in vocational education and training (site web) | 1 revue |
| International Journal of Advances in Intelligent Informatics — IJAIN (site web) | 1 revue |
