The Avia 156 was a 1930s Czechoslovakian six-passenger commercial transport airliner for both mail and passengers, designed by Robert Nebesář and built by Avia.

The type performed well but only one was built.

[1] The Avia 156 was a single-engined high-wing cantilever monoplane that first flew in 1934.

[1] Powered by a Hispano-Suiza 12Ydrs inline piston engine, it had fixed tailwheel landing gear.

[1] Data from [1]General characteristics Performance