Air Commodore Leon Victor Lachal, CBE (18 May 1904 – 12 March 1983)[1][2] was a senior commander in the Royal Australian Air Force (RAAF).

He served from 1926 until 1947, reaching the rank of Air Commodore.

Leon Victor Lachal was born on 18 May 1904, in Abbotsford, Victoria, Australia.

His service was recognised with the Commander of the Order of the British Empire (CBE) award.

Lachal died on 12 March 1983 in Melbourne at the age of 78.