| JBI Database of Systematic Reviews and Implementation Reports | JBI DATABASE OF SYSTEMATIC REVIEWS AND IMPLEMENTATION REPORTS | 2202-4433 |
| Jbis-journal of the British Interplanetary Society | | |
| JBIS. Journal of the British Interplanetary Society | JBIS-J BRIT INTERPLA | 0007-084X |
| JBJS Case Connector | JBJS CASE CONNECTOR | 2160-3251 |
| JBJS Essential Surgical Techniques | JBJS ESSENTIAL SURGICAL TECHNIQUES | 2160-2204 |
| JBJS Open Access | JBJS OPEN ACCESS | 2472-7245 |
| JBJS Reviews | JBJS REVIEWS | 2329-9185 |
| Journal of the Belgian Society of Radiology | JBR-BTR | 1780-2393 |
| JCI Insight | JCI INSIGHT | 2379-3708 |
| JCMS-Journal of Cinema and Media Studies | JCMS-JOURNAL OF CINEMA AND MEDIA STUDIES | 2578-4900 |
| JCMS-Journal of Common Market Studies | JCMS-J COMMON MARK S | 0021-9886 |
| JCO Clinical Cancer Informatics | JCO CLINICAL CANCER INFORMATICS | 2473-4276 |
| JCO Precision Oncology | JCO PRECISION ONCOLOGY | 2473-4284 |
| JCOM-Journal of Science Communication | JCOM-JOURNAL OF SCIENCE COMMUNICATION | 1824-2049 |
| JCPSP-Journal of the College of Physicians and Surgeons Pakistan | JCPSP-J COLL PHYSICI | 1022-386X |
| Journal of Clinical Rheumatology | JCR-J CLIN RHEUMATOL | 1076-1608 |
| JCRS Online Case Reports | JCRS ONLINE CASE REPORTS | 2214-1677 |
| Jct Coatingstech | JCT COATINGSTECH | 1547-0083 |
| Jct Research | | |
| JDR Clinical and Translational Research | JDR CLINICAL AND TRANSLATIONAL RESEARCH | 2380-0844 |
| Jebat-Malaysian Journal of History Politics and Strategic Studies | JEBAT-MALAYSIAN JOURNAL OF HISTORY POLITICS AND STRATEGIC STUDIES | 0126-5644 |
| Jelenkor | | 0447-6425 |
| Jeoloji Muhendisligi Dergisi | JEOLOJI MUHENDISLIGI DERGISI | 1016-9172 |
| Jerusalem Review of Legal Studies | JERUSALEM REVIEW OF LEGAL STUDIES | 2219-7117 |
| JETP Letters | JETP LETT+ | 0021-3640 |
| Jeu-Revue de Theatre | JEU-REVUE DE THEATRE | 0382-0335 |
| Jeunesse-Young People Texts Cultures | JEUNESSE-YOUNG PEOPLE TEXTS CULTURES | 1920-2601 |
| Jewish Culture and History | JEWISH CULTURE AND HISTORY | 1462-169X |
| Jewish Film & New Media-An International Journal | JEWISH FILM & NEW MEDIA-AN INTERNATIONAL JOURNAL | 2169-0324 |
| Jewish Historical Studies-Transactions of the Jewish Historical Society of England | JEWISH HISTORICAL STUDIES-TRANSACTIONS OF THE JEWISH HISTORICAL SOCIETY OF ENGLAND | 0962-9696 |
| Jewish History | | 0334-701X |
| The Jewish Quarterly Review | | 0021-6682 |
| Jewish Social Studies | JEWISH SOCIAL STUDIES | 0021-6704 |
| Jewish Studies Quarterly | JEWISH STUDIES QUARTERLY | 0944-5706 |
| Jezik | | 0021-6925 |
| Jezik in Slovstvo | | 0021-6933 |
| Jezikoslovlje | JEZIKOSLOVLJE | 1331-7202 |
| Jezikoslovni Zapiski | | 0354-0448 |
| Jezyk a Kultura | | |
| Język a Kultura | | 1232-9657 |
| Jezyk Polski | | 0021-6941 |
| Jezyk Polski. Organ Towarzystwa MiŁosnikÓw Jezyka Polskiego | | |
| JĘzyk Polski. Organ Towarzystwa MiŁoŚnikÓw JĘzyka Polskiego | | |
| Język. Komunikacja. Informacja | | 1896-9585 |
| Językoznawstwo | | 1897-0389 |
| JFE Technical Report | JFE TECHNICAL REPORT | 1348-0677 |
| JGH Open | JGH OPEN | 2397-9070 |
| Jiangsu Daxue Xuebao (Ziran Kexue Ban) / Journal of Jiangsu University (Natural Science Edition) | JIANGSU DAXUE XUEBAO (ZIRAN KEXUE BAN) / JOURNAL OF JIANGSU UNIVERSITY (NATURAL SCIENCE EDITION) | 1671-7775 |
| Jianzhu Cailiao Xuebao/Journal of Building Materials | JIANZHU CAILIAO XUEBAO/JOURNAL OF BUILDING MATERIALS | 1007-9629 |
| Jianzhu Jiegou Xuebao/Journal of Building Structures | JIANZHU JIEGOU XUEBAO/JOURNAL OF BUILDING STRUCTURES | 1000-6869 |
