The Corvo is a double-edged, curved bladed weapon typically used in Chile.

There is no defined origin of the Corvo, but the tool is considered as the national knife of Chile, like Navaja in Spain and Bowie knife in the United States.

Corvos are approximately 12 in (300 mm).

When fighting with a corvo, the wielder will not feint with the blade itself; traditionally it is used in conjunction with a rag, poncho or stick in the off-hand, which allows the bearer to parry an incoming attack.

The corvo is then used to counterattack with a swiping, slashing or stabbing motion.

There are a few different models of corvo, the modern versions are:

Initially a tool similar to a grappling hook, Corvos were widely used in combat during the Chilean War of Independence and the War of the Pacific, which for the latter, particularly during the Battle of Arica.

It was not standard issue, but rather a personal weapon or tool that the soldiers brought with them from home.