The Fiat 70 was a car produced by Italian car manufacturer Fiat between 1915 and 1920. The 70 used a 2-liter straight-four engine producing 21 hp and capable of a top speed of 70 km/h (43 mph). Around a thousand of this model were produced, with almost all going to the Italian army. The car was quite advanced for its time, featuring a complete electrical system.

The 70 was replaced by the Fiat 501.