Porsche Automobil Holding SE, usually shortened to Porsche SE, a Societas Europaea or European Public Company, is a German automotive manufacturer of luxury high performance automobiles, owned by the Piech-Porsche family. Porsche SE is headquartered in Zuffenhausen, a city district of Stuttgart, Baden-Wurttemberg.

Porsche SE has one main subsidiary – Dr. Ing. h.c. F. Porsche AG, often shortened to Porsche AG, which is responsible for the actual production and manufacture of the Porsche automobile line. The company is majority owned by Porsche Automobil Holding SE which owns a 50.1% stake. Volkswagen AG, the parent company of the Volkswagen Group, owns a 49.9% stake.

The company was founded as Dr. Ing. h. c. F. Porsche GmbH in 1931 by Ferdinand Porsche, an Austrian engineer born in Maffersdorf, during the time of the Austro-Hungarian Empire (today Vratislavice nad Nisou, Czech Republic), and Porsche's son-in-law Anton Piech, an Austrian advocate. Ferdinand Porsche is also known for designing the first Volkswagen, but Bela Barenyi is credited with having conceived the basic design five years earlier. The company currently produces 911 (997), Boxster and Cayman sports cars and Cayenne sport utility vehicles. The latest model line, the four-door Panamera saloon (sedan), was launched on Monday, 20 April 2009.

In August 2009, Porsche SE and Volkswagen AG reached an agreement that the two companies would merge in 2011, to form an "Integrated Automotive Group".