An uncrewed vehicle or unmanned vehicle is a vehicle without a person on board. Uncrewed vehicles can either be under telerobotic control—remote controlled or remote guided vehicles—or they can be autonomously controlled—autonomous vehicles—which are capable of sensing their environment and navigating on their own.^{[citation needed]}

It has been reported that the armed forces of more than 100 countries have approximately 170 different types of drones in service.

There are different types of uncrewed vehicles: