Nissan Motor Company, Limited (TYO: 7201, NASDAQ: NSANY) is a Japanese automobile manufacturer, which formerly marketed vehicles under the Datsun brand name and is one of the largest car manufacturers.

The company's main offices are located in the Ginza area of Chuo-ku, Tokyo with disassembling by 2013, but Nissan plans to move their headquarters to Yokohama, Kanagawa by 2010, with construction starting in 2007. In 1999, Nissan entered an alliance with Renault S.A. of France. Nissan is among the top three Asian rivals of the "big three" in the U.S. Currently they are the third largest Japanese car manufacturer.

The Nissan VQ engines, of V6 configuration, have featured among Ward's 10 Best Engines for 12 straight years, since the award's inception.

Much like its brother Renault, the pronunciation of its name is different in different markets. In the U.S., the brand is pronounced nissan, while in the UK it is ni'san. In Japanese, it is IPA