Vice-Admiral Emmanuel-Auguste de Cahideuc, Comte Dubois de la Motte (1683 – 23 October 1764) was a French naval officer. Emmanuel-Auguste de Cahideuc entered the navy as a midshipman in 1698, and received his first command (of the privateer ship Argonaute) in 1708. Following a promotion to sub-lieutenant, he fought at Rio de Janeiro in 1711 during the War of the Spanish Succession. In 1718 he became a knight of the Order of Saint-Louis.