Gilbert Maurice Norman (7 April 1915 – 6 September 1944[citation needed]) was a British Army officer who served in the Special Operations Executive in France during World War II.

He joined the army, receiving a commission in the Durham Light Infantry in November 1940[2] and was subsequently recruited into the Special Operations Executive (SOE).

In November 1942, he was sent into France to join the newly formed Prosper network, but on 24 June 1943 was arrested by the Gestapo, together with cell leader Francis Suttill and courier Andrée Borrel.

Omitting the security check from a message was specifically designed to act as a duress code which would warn London that the sender was being coerced.

The Germans were thus able to set a trap which resulted in the capture of Jack Agazarian who had been sent with Nicholas Bodington to investigate the fate of the Prosper network.