Théodore Laurent (18 December 1863 – 21 August 1953) was a French engineer and industrialist who was president of the steelmaker Marine-Homécourt for many years.

He was the son of Aimé Laurent a banker and cognac dealer in Saint-Jean-d'Angély, and Anne Nancy Cora Valleau.

[2] At the start of 1908 he was offered the post of deputy-director of the Compagnie des forges et aciéries de la marine et d'Homécourt (Marine-Homécourt).

[2] Soon after joining the company, Laurent arranged for Marine-Homécourt, Aciéries de Micheville and Pont à Mousson to form the MarMichPont group to acquire Belgian and German coal mines and coking ovens to address their common shortage of fuel.

[4] Laurent, François de Wendel and Eugène Schneider formed a triumvirate that dominated French steel-making in the inter-war period.

He took part in commissions to fight tuberculosis, founded the Saint-Hilaire du Touvet sanatorium, and was involved in social housing.

[1] On 24 April 1952 Léon Daum, now vice president and general manager of Marine-Homécourt, was made a commander of the Legion of Honour by Théodore Laurent.

[7] On 10 August 1952 Daum was appointed chairman of the European Coal and Steel Community finance, investment & production group.