The ACAZ C.2 was a prototype Belgian biplane fighter aircraft. Built entirely of metal, it was an advanced design at the time of its first flight in 1926, but although evaluated by the Belgian Air Force, no orders were placed.

Of conventional biplane construction, the C.2 did incorporate one unique feature - all four of its wings were identical and interchangeable. The aircraft also included space for cameras, allowing it to be used as a reconnaissance machine.

The C.2 was used in a failed aerial expedition by Edmond Thieffry, who with two companions (Lang and Guersin), attempted to fly it to Belgian Congo, departing Belgium on March 9 1928, but only getting as far as France.

The sole prototype was written off in a crash on January 25 1933.