- Journal of Molecular Medicine
- Journal of Molecular Modeling
- Journal of Molecular Neuroscience
- Journal of Molecular Structure
- Journal of Multidisciplinary Healthcare
- Journal of Multiple Sclerosis
- Journal of Muscle Research and Cell Motility
- Journal of Muslim Mental Health
- Journal of Nanobiotechnology
- Journal of Nanomaterials
- Journal of Nanoparticle Research
- Journal of Natural History
- Journal of Natural Products
- Journal of Neonatal Biology
- Journal of Neonatal Nursing
- Journal of Neural Transmission
- Journal of Neural Transmission General Section
- Journal of Neural Transmission. Parkinson's Disease and Dementia Section
- Journal of Neural Transmission. Supplementum
- Journal of Neurochemistry
- Journal of Neurocytology
- Journal of Neuroimmunology
- Journal of Neurological Surgery. Part A-Central European Neurosurgery
- Journal of Neurology
- Journal of Neurology, Neurosurgery and Psychiatry
- Journal of Neuro-Oncology
- Journal of Neuroradiology
- Journal of Neuroscience
- Journal of Neuroscience Methods
- Journal of Neuroscience Nursing
- Journal of Neuroscience Research
- Journal of Neurosciences in Rural Practice
- Journal of Neurosurgery
- Journal of Neurosurgical Sciences
- Journal of Neurotrauma
- Journal of Non-Crystalline Solids
- Journal of Novel Physiotherapies
- Journal of Nuclear Cardiology
- Journal of Nucleic Acids
- Journal of Nursing & Care
- Journal of Nursing Management
- Journal of Nursing Research and Practice
- Journal of Nutrition
- Journal of Nutrition & Food Sciences
- Journal of Nutrition and Metabolism
- Journal of Nutrition Health & Aging
- Journal of Nutritional Disorders & Therapy
- Journal of Obstetric Women's Diseases
- Journal of Obstetrics and Gynaecology
- Journal of Obstetrics and Gynaecology Research
- Journal of Occupational and Environmental Medicine
- Journal of Ocular Pharmacology and Therapeutics
- Journal of Oleo Science
- Journal of Oncology
- Journal of Oncology Pharmacy Practice
- Journal of Ophthalmic & Vision Research
- Journal of Ophthalmic Inflammation and Infection
- Journal of Ophthalmology
- Journal of Oral and Maxillofacial Radiology
- Journal of Oral Implantology
- Journal of Oral Pathology and Medicine
- Journal of Oral Rehabilitation
- Journal of Orthopaedic Trauma
- Journal of Orthopaedics and Bone Research
- Journal of Orthopaedics and Traumatology
- Journal of Orthopedics & Bone Disorders
- Journal of Orthopedics Study and Sports Medicine
- Journal of Otolaryngology - Head and Neck Surgery
- Journal of Ovarian Research
- Journal of Paediatrics and Child Health