List of Famous people named John

Sir John Ross was a Scottish Royal Navy officer and polar explorer. He was the uncle of Sir James Clark Ross, who explored the Arctic with him, and later led expeditions to Antarctica.

John Erik Fornæss is a Norwegian-American mathematician. Fornæss received his master's degree in 1970 from the University of Oslo with thesis Uniform approximation on manifolds and his PhD in 1974 from the University of Washington under Edgar Lee Stout with thesis Embedding Strictly Pseudoconvex Domains in Convex Domains. At Princeton University he became in 1974 an instructor, in 1976 an assistant professor, in 1978 an associate professor, and in 1981 a full professor. Since 1991 he has been a professor at the University of Michigan.

John Robinson Pierce, was an American engineer and author. He worked extensively in the fields of radio communication, microwave technology, computer music, psychoacoustics, and science fiction. As a sideline to his professional career he wrote science fiction for many years under various names: John Pierce, John R. Pierce, and J. J. Coupling. Born in Des Moines, Iowa, he earned his PhD from Caltech, and died in Sunnyvale, California, from complications of Parkinson's Disease.

Field Marshal John Griffin Griffin, 4th Baron Howard de Walden, 1st Baron Braybrooke, , KB, of Audley End in Essex, was a British nobleman and soldier. He served as a junior officer with the Pragmatic Army in the Netherlands and Germany during the War of the Austrian Succession. After changing his surname to Griffin in 1749, he commanded a brigade of at least four battalions at the Battle of Corbach in July 1760 during the Seven Years' War. He also commanded a brigade at the Battle of Warburg and was wounded at the Battle of Kloster Kampen.

John Dimitri Negroponte is an American diplomat. He is currently a James R. Schlesinger Distinguished Professor at the Miller Center for Public Affairs at the University of Virginia. He is a former J.B. and Maurice C. Shapiro Professor of International Affairs at the George Washington University's Elliott School of International Affairs. Prior to this appointment, he served as a research fellow and lecturer in international affairs at Yale University's Jackson Institute for Global Affairs, United States Deputy Secretary of State (2007–2009), and the first ever Director of National Intelligence (2005–2007).