Germain David-Nillet is a French painter born 4 December 1861 in Paris and died on 12 October in Paris.

He was a pupil of Léon Lhermitte. He exhibited at the Paris Salon in 1889 receiving an honourable mention and was elected to the Salon in 1895 ("Sociétaire"). He was awarded a silver medal at the great Paris Exposition universelle of 1900 and was made a Chevalier de la Légion d'honneur. He also won a gold medal in Munich in 1892, received an honourable mention in Madrid in 1893, and gold medals in Rouen in 1897 and Amsterdam in 1899. In 1934 the Salon of the Société nationale des beaux-arts staged a retrospective exhibition of his work. He was a "genre" painter. He met with Maurice Denis whilst in Saint-Brieuc.