Jules Jaspar (1 March 1878 in Schaerbeek – 15 October 1963 in Soudorgues) was a diplomat of the Belgian Foreign Office and businessman.

Following the German invasion of Belgium, Jaspar fled to Paris where he helped establish the black market trading firm of Simex.

Jaspar worked for the Belgian Foreign Ministry for a long time and represented his country as consul in Indochina and later in Scandinavia.

[citation needed] In May 1940, Jaspar fled Belgium and moved to Paris, along with his wife, Claire Legrand, as well as Jeanne Fernande Grossvogel, and Nazarin Drailly with his family.

[12] On 12 November 1942 Jaspar was arrested, along with his wife and secretary, by French police at the Simex branch office, on Rue du Dragon in Marseille.