There are 9,678 titles that begin with the letter J
- Journal of the Market Research Society (ISSN: 0025-3618, )
- Journal of the Mass Spectrometry Society of Japan (ISSN: 1340-8097, 1880-4225)
- Journal of the Mathematical Society of Japan (ISSN: 0025-5645, 1881-1167)
- Journal of the Mechanical Behavior of Biomedical Materials (ISSN: 1751-6161, 1878-0180)
- Journal of the Mechanical Behavior of Materials (ISSN: 0334-8938, 2191-0243)
- Journal of the Mechanics and Physics of Solids (ISSN: 0022-5096, 1873-4782)
- Journal of the Medical Association of Thailand (ISSN: , 2408-1981)
- Journal of the Medical Library Association (ISSN: 1536-5050, 1558-9439)
- Journal of the meeting of the Diocesan Synod (ISSN: )
- Journal of the Meteorological Society of Japan (ISSN: 0026-1165, 2186-9057)
- Journal of the Mexican Chemical Society (ISSN: 1870-249X, 1665-9686)
- Journal of the Mexican Federation of Radiology and Imaging (ISSN: 2938-1215, 2696-8444)
- Journal of the Middle East and Africa, The (ISSN: 2152-0844, 2152-0852)
- The Journal of the Midwest Modern Language Association (ISSN: 0742-5562, 2162-6294)
- Journal of the Mining Society of Nova Scotia : being the transactions of the Society during the year (ISSN: )
- Journal of the Mississippi Academy of Sciences (ISSN: 0076-9436, )
- Journal of the Missouri Bar (ISSN: 0026-6485, )
- Journal of the Motherhood Initiative for Research and Community Involvement (ISSN: 1923-4139, 1923-4147)
- Journal of the Moving Image (ISSN: )
- Journal of the multihandicapped person (ISSN: 0892-7561, )
- Journal of the Museum of Fine Arts, Boston (ISSN: 1041-2433, 2328-7438)
- Journal of the musical arts in Africa (ISSN: 1812-1004, 2070-626X)
- Journal of the National Association of Administrative Law Judges (ISSN: 0735-0821, )
- Journal of the National Association of Biblical Instructors (ISSN: 1549-9804, 2327-9958)
- Journal of the National Association of Referees in Bankruptcy (ISSN: 0197-2650, )
- Journal of the National Cancer Center (ISSN: 2667-0054, 2096-8663)
- Journal of the National Council of Less Commonly Taught Languages (ISSN: 1930-9031, )
- Journal of the National Institute for Career Education and Counselling (ISSN: 2046-1348, 2059-4879)
- Journal of the National Medical Association (ISSN: 0027-9684, 1943-4693)
- Journal of the National Museum, History Series (ISSN: 1214-0627, 2533-5693)
- Journal of the National Museum. Natural History Series (ISSN: 1802-6842, 1802-6850)
- Journal of the National Science Foundation of Sri Lanka (ISSN: 1391-4588, 2362-0161)
- Journal of the National Society of Allied Health (ISSN: 1945-3361, )
- Journal of the Near East University Faculty of Theology (ISSN: 2148-6026, )
- Journal of the Neurological Sciences (ISSN: 0022-510X, 1878-5883)
- Journal of the New York Entomological Society (ISSN: 0028-7199, 1937-2361)
- Journal of the New York State Nurses Association (ISSN: 0028-7644, )
- Journal of the New Zealand Slavists' Association (ISSN: 2703-4526, 2703-4534)
- Journal of the Nigeria medical rehabilitation therapists : JNMRT (ISSN: 1118-3489, )
- Journal of the Nigeria Society of Physiotherapy (ISSN: 0331-3735, )
- Journal of the Nigerian Mathematical Society (ISSN: 0189-8965, )
- Journal of the Nigerian Optometric Association (ISSN: 0795-0039, )
- Journal of the North American Benthological Society (ISSN: 0887-3593, 1937-237X)
- Journal of the North Atlantic (ISSN: 1935-1933, 1935-1984)
- Journal of the North Carolina Academy of Science (ISSN: 2167-5872, 2167-5880)
- Journal of the Northern Renaissance (ISSN: , 1759-3085)
- Journal of the Nuffield Department of Surgical Sciences (ISSN: , 2634-0267)
- Journal of the Ocean Science Foundation (ISSN: 1937-7835, )
- Journal of the Ohio Herpetological Society (ISSN: 0473-9868, 2326-3784)
- Journal of the Ontario Mining Institute, being the proceedings for the years (ISSN: )
- Journal of the Operational Research Society (ISSN: 0160-5682, 1476-9360)
- Journal of the Operations Research Society of America (ISSN: 0096-3984, 2326-3229)
- Journal of the Operations Research Society of China (ISSN: 2194-668X, 2194-6698)
- Journal of the Optical Society of America (ISSN: 0093-5433, 2375-1126)
- Journal of the Optical Society of America (ISSN: 0030-3941, 2375-1037)
- Journal of the Optical Society of America A-Optics Image Science and Vision (ISSN: 1084-7529, 1520-8532)
- Journal of the Optical Society of America B-Optical Physics (ISSN: 0740-3224, 1520-8540)
- Journal of the Optical Society of Korea (ISSN: 1226-4776, 2093-6885)
- The Journal of the Order of Buddhist Contemplatives (ISSN: 0891-1177, 2055-7949)
- Journal of the Ottoman and Turkish Studies Association (ISSN: 2376-0699, 2376-0702)
- Journal of the Oxford Centre for Socio-Legal Studies (JOxCSLS) (ISSN: 2398-2438, )
- Journal of the Oxford University History Society (ISSN: , 1742-917X)
- Journal of the Pakistan Materials Society (ISSN: 1994-6899, )
- Journal of the Pakistan Medical Association (ISSN: 0030-9982, )
- Journal of the Patent and Trademark Office Society (ISSN: 0882-9098, 0882-9099)
- Journal of the Pediatric Infectious Diseases Society (ISSN: 2048-7193, 2048-7207)
- Journal of the Pediatric Orthopaedic Society of North America (ISSN: , 2768-2765)
- Journal of the Peripheral Nervous System (ISSN: 1085-9489, 1529-8027)
- Journal of the Philosophy and Religion Society of Thailand (ISSN: , 2985-1874)
- Journal of the Philosophy of Games (ISSN: 2535-4388, )
- Journal of the philosophy of international law (ISSN: 1746-1863, )
- Journal of the Philosophy of Sport (ISSN: 0094-8705, 1543-2939)
- Journal of the Physical Society of Japan (ISSN: 0031-9015, 1347-4073)
- Journal of the Physical Society of Japan, Supplement (ISSN: 0375-9598, )
- Journal of the Polynesian Society (ISSN: 0032-4000, 2230-5955)
- Journal of the Polynesian Society The JPS (ISSN: 2816-1580, 2816-1599)
- Journal of the Portland Society of Natural History (ISSN: )
- Journal of the Practice of Cardiovascular Sciences (ISSN: 2395-5414, 2454-2830)
- Journal of the Presbyterian Historical Society (1901-1930) (ISSN: 2326-4861, )
- Journal of the Presbyterian Historical Society (1943-1961) (ISSN: 0147-3735, )
- Journal of the proceedings of the ... General Conference of the Methodist Church of Canada (ISSN: )
- Journal of the proceedings of the ... session of the London Annual Conference of the Methodist Church of Canada (ISSN: )
- Journal of the proceedings of the Grand Division of the Sons of Temperance of the Province of Nova Scotia at the quarterly session (ISSN: )
- Journal of the proceedings of the Provincial Synod of the United Church of England and Ireland in Canada (ISSN: )
- Journal of the proceedings of the Provincial Synod of the United Church of England and Ireland in Canada (ISSN: )
- Journal of the Professional Lawyer (ISSN: 2153-0483, )
- Journal of the professoriate (ISSN: 1556-7699, 1556-7680)
- Journal of the Provincial Synod of the Church of England in Rupert's Land (ISSN: )
- Journal of the Renin-Angiotensin-Aldosterone System (ISSN: 1470-3203, 1752-8976)
- Journal of the Research Faculty of Agriculture, Hokkaido University (ISSN: 1883-9592, )
- Journal of the Research Institute for Catalysis, Hokkaido University (ISSN: 0034-530X, 0303-5565)
- Journal of the Rocky Mountain Medieval and Renaissance Association (ISSN: 0195-8453, )
- Journal of the Royal African Society (ISSN: 0368-4016, )
- Journal of the Royal Anthropological Institute (ISSN: 1359-0987, 1467-9655)
- The Journal of the Royal Anthropological Institute of Great Britain and Ireland (ISSN: 0307-3114, 2397-2556)
- Journal of the Royal Army Medical Corps (ISSN: 0035-8665, 2052-0468)
- Journal of the Royal Asiatic Society (ISSN: 1356-1863, 1474-0591)
- Journal of the Royal Asiatic Society Hong Kong Branch (ISSN: 1991-7295, 2617-3239)
- The Journal of the Royal Asiatic Society of Great Britain and Ireland (ISSN: 0035-869X, 2051-2066)
- Journal of the Royal Asiatic Society of Sri Lanka (ISSN: 1391-720X, )