Michel Arnaud (17 November 1915 – 1 August 1990) was a French Army general who distinguished himself in World War II, and for this was decorated with the Ordre de la Libération and made Grand Officier de la Légion d'honneur.

He participated to Philippe Leclerc's offensive against Italian positions in Libya, but was badly wounded near Kufra on 8 February 1941, and sent to hospital first at Yaoundé and then at Beirut.

In January 1942 he entered in the staff of General Georges Catroux, head of the Free French Forces in the Middle East, and was promoted Captain in June.

For his old wound till 1 December 1944; having after asked to return to field duty, he was assigned to the Régiment du March de Tchad (RMT), the new name of the RTST.

In 1969 Arnaud returned to Chad as commander of Opération Bison, a military operation that had to contain the menace represented to the Chadian government by the FROLINAT rebels; but tensions with the Chadian President brought to his replacement just a few months after his arrival.