Jacques Gaston Maisonrouge (20 September 1924 – 25 January 2012) was a French businessman who became chairman of IBM World Trade Corporation. He was born in 1924 at Cachan to Paul and Suzanne (née Cazas) Maisonrouge. He graduated from the Ecole Centrale des Arts et Manufactures, Paris. He married Francoise Féron in 1948; they had five children.
His career with IBM, which spanned 36 years from 1948 to 1984, included four postings to the USA. Maisonrouge was appointed Vice President IBM World Trade Corporation in 1962; President in 1967; CEO in 1973, and Chairman in 1976. He was elected a Board Member of IBM Corporation in 1983, before retiring in 1984; he was also elected to the boards of Air Liquide, Moët-Hennesy and Philip Morris.
Following retirement, he served the French public sector as Director General of Industry, a ministerial position, in 1986 by the French government and, subsequently, Chairman of French International Trade Development Agency, then known as CFCE, Centre Français du Commerce Extérieur.
He was active in improving French-American relations, particularly through his chairmanship from 1989 of the Senate Committee for the Image of France abroad, and in promoting world peace through world trade. In 1989 he published his book Inside IBM: A Personal Story. His voluntary work included the Chairmanship of his alma mater, the Ecole Centrale, the Chairmanship of the Board of Governors of the American Hospital of Paris and the Chairmanship of the Association France-United States in Paris.
During his career, he received numerous honours: he was elevated to the rank of Grand Officier of the Légion d'Honneur 1999; Commander of the French Orders of Merit, of Academic Palms, of Arts and Letters; Austrian Grand Cross of Merit; Commander of the Order of Merit of the Italian Republic; Officer of the Order of the Belgian Crown; Commander of the Swedish Order of the Polar Star; Commander of the Order of Saint Sylvester of the Vatican. He was a Knight of the Order of Malta and Grand Officer of Merit of the Order; he was an honorary member of the Society of the Cincinnati. He received honorary doctorates from Assumption and Westbury Universities, and from the Polytechnics of Mons in Belgium and Madrid in Spain.
- "JACQUES MAISONROUGE Obituary: View JACQUES MAISONROUGE's Obituary by New York Times". Legacy.com. 27 January 2012. Retrieved 15 June 2012.
- "IBM Archives: Jacques G. Maisonrouge". 03.ibm.com. Retrieved 15 June 2012.
- "Ubifrance, Agence Francaise Pour Le Developpement International Des Entreprises (Ex-Centre Francais Du Commerce Exterieur (Cfce))" (in French). Legifrance. Retrieved 2012-06-15.
- Maisonrouge, Jacques (1985). Inside IBM: A Personal Story. McGraw Hill. ISBN 0-07-039737-6.