Louis-Pierre-Eugène Amélie Sédillot (23 June 1808 in Paris – 2 December 1875), was a French orientalist and historian of science and mathematics.
His father, Jean Jacques Emmanuel Sédillot [fr], orientalist and astronomer, worked alongside Delambre and Laplace.
His older brother, Charles-Emmanuel Sédillot, became a renowned surgeon.
Louis-Pierre-Eugene also showed predispositions towards study.
He began his career as a history teacher before becoming Secretary of the Collège de France and the School of Oriental Languages in 1832.