The Fiat A.70 was an air cooled radial engine with seven cylinders developed by the Italian engineering company Fiat Aviazione in the 1930s.

The engine powered a number of Italian light competition and prototype aircraft.

[1] It debuted at the Challenge International de Tourisme 1934, powering a number of the competitors.

[2] The engine had seven cylinders of square design, with a bore and stroke of 115 mm (4.5 in), arranged around a crankshaft in a single row.

[3] It was connected to the propeller by direct drive, often through a NACA cowling.