The Royal Italian Army (Italian: Regio Esercito) was the land forces of the Kingdom of Italy during World War II, it was active from 1940 until the end of the war in 1945. During the war, a total about 2.56 million conscripts and volunteers served in the Royal Italian Army.
In the aftermath of the Armistice of Cassibile in September 1943, the Royal Italian Army became the Italian Co-belligerent Army fighting alongside the Allies, while the National Republican Army was created by the Italian Social Republic to fight alongside the Axis.