François Paul Lachenal (Geneva 1918 – 1997), was a Swiss publisher and diplomat, who since 1940 played a significant role in publishing the writings of the French authors during the occupation of France by Germany. He was member of the Swiss delegation in Vichy till 1944 and later till 1945 at the Swiss embassy in Berlin. Publisher of the magazine Traits he was son of Genevan politician Paul Lachenal, nephew of The president of the Swiss Confederation Adrien Lachenal and married to Johanna Bertha Caroline Otken. He is buried at the Cimetière des Rois in Geneva.