- Journal of Clinical Neuroscience
- Journal of Clinical Nursing
- Journal of Clinical Oncology
- Journal of Clinical Oncology (Wydanie polskie)
- Journal of Clinical Pathology
- Journal of Clinical Periodontology
- Journal of Clinical Pharmacology
- Journal of Clinical Psychopharmacology
- Journal of Clinical Rheumatology
- Journal of Clinical Ultrasound
- Journal of Clinical Virology
- Journal of Cognitive Neuroscience
- Journal of Colloid and Interface Science
- Journal of Combinatorial Chemistry
- Journal of Community Medicine & Health Education
- Journal of Comparative Neurology
- Journal of Comparative Pathology
- Journal of Computational and Nonlinear Dynamics
- Journal of Computational Chemistry
- Journal of Computer Sciences Institute
- Journal of Contemporary Brachytherapy
- Journal of Coordination Chemistry
- Journal of Cosmetic and Laser Therapy
- Journal of Cosmetic Dermatology
- Journal of Cranio-Maxillo-Facial Surgery
- Journal of Creative Behavior
- Journal of Critical Care
- Journal of Crohn's & Colitis
- Journal of Crohn's & Colitis Supplements
- Journal of Crystal Growth
- Journal of Cystic Fibrosis
- Journal of Cytology & Histology
- Journal of Dairy Science
- Journal of Dental Research
- Journal of Dermatological Science
- Journal of Dermatological Treatment
- Journal of Dermatology
- Journal of Developmental Origins of Health and Disease
- Journal of Diabetes
- Journal of Diabetes and Its Complications
- Journal of Diabetes Research
- Journal of Diabetes Science and Technology
- Journal of Disability and Oral Health
- Journal of Drug Development and Clinical Practice
- Journal of Drug Discovery, Development and Delivery
- Journal of Drug Metabolism & Toxicology
- Journal of Drug Targeting
- Journal of Ecological Engineering (Inżynieria Ekologiczna) (d. Inżynieria Ekologiczna)
- Journal of Education Culture and Society
- Journal of Education, Health and Sport
- Journal of Electrocardiology
- Journal of Elementology
- Journal of Emergency Medicine
- Journal of Emergency Nursing
- Journal of Endocrinological Investigation
- Journal of Endocrinology
- Journal of Endometriosis and Pelvic Pain Disorders
- Journal of Endourology
- Journal of Endovascular Therapy
- Journal of Environmental Health Science and Engineering
- Journal of Environmental Management
- Journal of Environmental Pathology Toxicology and Oncology
- Journal of Environmental Radioactivity
- Journal of Environmental Science and Health. Part A, Toxic/Hazardous Substances & Environmental Engineering
- Journal of Environmental Science and Health Part B-Pesticides, Food Contaminants, and Agricultural Wastes
- Journal of Enzyme Inhibition and Medicinal Chemistry
- Journal of Epidemiology & Community Health
- Journal of Epileptology
- Journal of Equine Veterinary Science
- Journal of Essential Oil Bearing Plants