Aer Lualdi L.57

L.57
Role Single-seat light helicopter
National origin Italy
Manufacturer Aer Lualdi
Designer Carlo Lualdi and Sergio Tassotti
Number built 1
Developed from Aer Lualdi L.55
Variants Aer Lualdi L.59

The Aer Lualdi L.57 was a prototype Italian helicopter, a further refinement of Lualdi's ES 53 and L.55 designs.

The aircraft featured a larger main rotor than its predecessors, a fibreglass tail rotor, and an autopilot.