Frédéric Jules Sichel (14 May 1802 – 11 November 1868) was a German-born, French physician and entomologist.

From 1820, he studied medicine at the universities of Würzburg, Tübingen and Berlin, then from 1825 to 1829 worked as an assistant to ophthalmologist Friedrich Jäger von Jaxtthal in Vienna.

[1] In 1832 he established the first ophthalmic clinic in Paris,[2] and for a period of time, gave courses in ophthalmology at the Hôpital Saint-Antoine.

He was interested in oriental languages and archaeology, writing extensively on the seals of Roman doctors.

In entomology he specialized in Hymenoptera – his collection being donated to the Muséum National d'Histoire Naturelle.