Lewis N. Wolff (born December 13, 1935) is an American real estate developer. Wolff had been co-chairman of the Board of Sunstone Investors, Inc. from October 2004 to April 2014. Wolff owned sports franchises, serving currently as the co-owner of the San Jose Earthquakes of Major League Soccer. He was most well known for his ownership of the Oakland Athletics. However, in November 2016, Wolff sold his share in the Oakland Athletics to John J. Fisher, and currently serves as the team's Chairman Emeritus. Wolff is credited with the redevelopment and revitalization of downtown San Jose, California where he was the largest developer of offices, hotels, and parking for many years.