Marie Léonie Vanhoutte, also known by the pseudonym Charlotte Lameron (1888 – 1967)[1] was a French Resistance fighter and secret agent during World War I who worked at the French-Belgium border.

[2] Marie Léonie Vanhoutte was born on 13 January 1888 in Roubaix, France, in a house on Rue de la Vigne.

[1][3] At the start of World War I, she was a nurse trainee at the Red Cross, but she did not stay long at that role[3] since she did not want to treat the German soldiers medically.

[5] There is varying information about her character role, with some sources state "Charlotte" worked as a cheesemonger, but others called her a Red Cross nurse.

[6][5] The networks were geographic areas, divided by sectors, to identify train passages, German troop movements, the location of ammunition stores and information regarding weaponry.