Jean-Pierre Maïone-Libaude (9 July 1942 – 13 June 1982) was a French veteran of the Algerian War (1954–62), former member of the OAS' Commando Delta, a nationalist terrorist group.
He then became the informant of police officer Lucien Aimé-Blanc, former vice chief of staff of the Antigang brigade and of the Narcotics brigade.
Jean-Pierre "Maïon" was assassinated on 13 June 1982 at Argent-sur-Sauldre, in the Cher province, soon after being free from prison.
In 2006, Lucien Aimé-Blanc revealed that Maïon had acknowledged having assassinated Pierre Goldman in 1979 on behalf of the GAL Spanish death squad.
Aimé-Blanc also stated that he may have been responsible for the assassination of Henri Curiel in 1978.