Jean-Roch Coignet (16 August 1776 – 10 December 1865) was a French soldier who served in the military campaigns of the Consulate and First French Empire, up through the Battle of Waterloo. He later wrote his memoirs detailing his military service, The Notebooks of Captain Coignet, which are still being reprinted. He participated in 16 campaigns and 48 battles, never having been wounded.