Patrick Bornhauser (born 29 June 1957 in Orléans) is a French racing driver and businessman.

Bornhauser switched to a Porsche for 2002, and then to a Chrysler Viper GTS-R in 2004 with which he won his first French GT titles in 2004 and 2005.

In 2008 he won the French GT title for a third time after sharing a Larbre-run Saleen S7 with Christophe Bouchut, which they also raced at Le Mans.

Bornhauser regained the French GT title in 2010 in a Larbre-run Porsche together with Laurent Groppi.

After two years away, Bornhauser returned to Le Mans in 2011 and won the GTE-Am class in a Chevrolet Corvette C6.R entered by Larbre.