Ernest Louis Octave Courtot de Cissey (; 1810–1882) was a French general. He was born in Paris, educated at the Prytanée National Militaire, and after passing through St Cyr, entered the army in 1832, becoming captain in 1839. He saw active service in Algeria, and became chef d'escadron in 1849 and lieutenant-colonel in 1850. He took part as a colonel in the Crimean War, and after the battle of Inkerman received the rank of general of brigade.