Africa 
China 
Japan 
MENA 
- Necrotizing enterocolitis
- Necrotizing fasciitis
- Necrotizing pneumonia
- Necrotizing sialometaplasia
- Nectar
- Nectin-3
- Neddylation
- Nedocromil
- Need for Cognition
- Needle and syringe programmes
- Needle biopsy
- Needle exchange
- Needlestick injury
- Neem oil
- Nef
- Nefazodone
- Nefopam
- Negative affectivity
- Negative exponential
- Negative pressure ventilator
- Negative pressure wound therapy
- Negative priming
- Negative staining
- Negative therapeutic reaction
- Negativicutes
- Negativity bias
- Neglect
- Neglected tropical diseases
- Negri bodies
- Neighbor Joining
- Neisseria
- Neisseria lactamica
- Neisseria meningitidis
- Neisseria mucosa
- Neisseriaceae
- Nelarabine
- Nelfinavir
- Nelson's syndrome
- Nelson-Aalen estimator
- Nelumbo nucifera
- Nemaline myopathy
- Nematocysts
- Nematode infection
- Nemenyi test
- Neoadjuvant
- Neoadjuvant chemotherapy
- Neoadjuvant therapy
- Neoantigen
- Neobladder
- Neocarzinostatin
- Neochlorogenic acid
- Neocortex
- Neodymium
- Neofunctionalization
- Neohesperidin dihydrochalcone
- Neointima
- Neointimal hyperplasia
- Neomycin
- Neon
- Neonatal Behavioral Assessment Scale
- Neonatal Resuscitation Program
- Neonatal abstinence syndrome
- Neonatal adrenoleukodystrophy
- Neonatal alloimmune thrombocytopenia
- Neonatal behavioral assessment scale
- Neonatal cholestasis
- Neonatal conjunctivitis
- Neonatal diabetes
- Neonatal encephalopathy
- Neonatal hemochromatosis
- Neonatal hepatitis
- Neonatal herpes
- Neonatal herpes simplex
- Neonatal hypoglycemia
- Neonatal infection
- Neonatal jaundice
- Neonatal lupus
- Neonatal lupus erythematosus
- Neonatal meningitis
- Neonatal nursing
- Neonatal seizures
- Neonatal sepsis
- Neonatal stroke
- Neonatal tetanus
- Neonatal-onset multisystem inflammatory disease
- Neonates
- Neonatology
- Neophobia
- Neoplasms
- Neoprene
- Neopterin
- Neorickettsia
- Neospora
- Neospora caninum
- Neosporin
- Neostigmine
- Neotame
- Neovascularization
- Neoxanthin
- Nepadutant
- Nepeta
- Nephelometry
- Nephrectomy
- Nephrin
- Nephritic syndrome
- Nephritis
- Nephrocalcinosis
- Nephrogenic diabetes insipidus
- Nephrogenic systemic fibrosis
- Nephrolithiasis
- Nephrologists
- Nephromegaly
- Nephron
- Nephronophthisis
- Nephrons
- Nephropathy
- Nephropexy
- Nephroptosis
- Nephrosclerosis
- Nephroscopy
- Nephrosis
- Nephrostomy
- Nephrotic syndrome
- Nephrotoxic
- Nephrotoxicity
- Nephroureterectomy
- Neprilysin
- Neratinib
- Nerium
- Nerium oleander
- Nerol
- Nerolidol
- Nerve
- Nerve agents
- Nerve allograft
- Nerve biopsy
- Nerve block
- Nerve cell
- Nerve compression syndrome
- Nerve conduction velocity
- Nerve damage
- Nerve decompression
- Nerve ending
- Nerve endings
- Nerve entrapment
- Nerve fascicle
- Nerve fiber layer
- Nerve fibers
- Nerve gas
- Nerve growth factor