The 5th Army Corps () was a military unit of the French Army which fought in the Franco-Prussian War and both World Wars. It comprised three divisions during the 1940 campaign.
On mobilization in 1914, the V Corps was part of the Third Army. It participated in the Battle of the Ardennes and saw continuous action throughout the war.
During the 1940 Battle of France, the 5th Army Corps was part of the First Army under the First Army Group. On 10 May 1940, the corps headquarters was located at La Capelle under General de corps d'armée Victor-Constant-Virginie-René Altmayer.