Juste Arnold Netter (20 September 1855 – 1 March 1936) was a physician, hygienist, pediatrician, bacteriologist, and biologist from France.

He is known for his work on cerebrospinal meningitis, poliomyelitis, pneumococcal infections, encephalitis, and shingles.

[2] He pursued a medical career, becoming an external at the Paris hospitals in 1875, intern in 1877, doctor of medicine in 1883, head of clinic in 1884, hospital physician in 1888, and associate professor at the Faculty of Medicine of Paris in 1889.

After World War I, he was the first to characterize the Spanish flu in a communication to the Academy of Medicine.

[2] On 1 March 1936, he experienced a malaise at the end of his presentation on "fixed abscess" during the 20th of medical assizes at the Hôtel Dieu.