Lise de Baissac, Mauritian SOE agent, war hero (died 2004)

Lise Marie Jeanette de Baissac MBE CdeG, code names Odile and Marguerite, was a Mauritian agent in the United Kingdom's clandestine Special Operations Executive (SOE) organization in France during World War II. The purpose of SOE was to conduct espionage, sabotage, and reconnaissance in countries occupied by the Axis powers, especially Nazi Germany. SOE agents allied themselves with resistance groups and supplied them with weapons and equipment parachuted in from England.

Special Operations Executive (SOE) was a British organisation formed in 1940 to conduct espionage, sabotage and reconnaissance in German-occupied Europe and to aid local resistance movements during World War II.

May 11 is the 131st day of the year in the Gregorian calendar; 234 days remain until the end of the year.