Jean-Pierre Garnier (born 31 October 1947) is a French businessman, and a former Chief Executive of GlaxoSmithKline.
He was born in Le Mans in the Pays de la Loire region of western France. He attended Lycée Kléber in Strasbourg. He did a PhD at the Louis Pasteur University in Strasbourg.
He joined the Belgian subsidiary of Schering-Plough in 1978. From 1989-90 he was the Manager of the USA pharmaceuticals products division.
In January 2001 he was appointed Chief Executive of GSK.