John Francillon

John Francillon (1744–1816) was a jeweler and lapidary, an English naturalist and an entomologist of Huguenot descent.

Francillon was a London jeweller who was also a dealer in natural history specimens and paintings. He was the agent for John Abbot selling his American bird and natural history illustrations. He maintained a large insect collection. Some of his butterflies appear in the Icones of William Jones. He was a Fellow of the Linnean Society.