The Siata Mitzi is a small car produced by the Italian manufacturer Siata in 1953.

It was a microcar. Siata defined it as: 'This car is the result of a to achieve a car as simple as possible and be the lightest and most economical small cars'.

The cars had a 4-stroke, 2-cylinder engine with a displacement of 398 cm3 and a power output of 10 hp at 4000 rpm. The engine had side valves and forced air cooling. The cars were fitted with a multi-plate clutch and a 4 speed gearbox with reverse.

The cars had 4-wheel independent suspension with torsion bars, top speed was speed 75 km/h, fuel consumption was less than 4 litre per 100 km.

Due to its shape, the body can be considered the draft for the Vespa 400.

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