List of Famous people named John

Major-General Sir John Hanbury-Williams, was a British Army officer, who served as Military Secretary to the Secretary of State for War and later Brigadier-General in charge of Administration (Scotland). He served on the International Olympic Committee (IOC), representing Canada between 1911 and 1921. During the First World War he was head of the British military mission with the Russian Stavka with direct access to Tsar Nicholas II.

John Bennett Herrington is a retired United States Naval Aviator, engineer and former NASA astronaut. In 2002, Herrington became the first enrolled member of a Native American tribe to fly in space.

John Stanley Marshall is an English drummer and founding member of the jazz rock band Nucleus. From 1972 to 1978, he was the drummer for Soft Machine, replacing Phil Howard when he joined.

John Warvelle Harbaugh (1926-2019) was an American geologist who spent most of his professional career at Stanford University devoted to research on mathematical modeling of dynamic systems, sedimentary basin simulation and oil exploration risk analysis. Since 1999, he is Professor Emeritus both at the Geological and Environmental Sciences Department and at the Energy Resources Engineering Department.
He received numerous honors and awards for his accomplishments and service to the profession that include the Haworth Distinguished Alumni Award of University of Kansas (1968), the A.I. Levorsen Award (1970) from the Pacific Section of the American Association of Petroleum Geologists (AAPG), the Distinguished Service Award also from AAPG (1987), the William Christian Krumbein Medal from International Association for Mathematical Geosciences (1986), and the Distinguished Alumni Award from the University of Wisconsin–Madison (2003). In 2001, his colleagues and friends presented him with a festschrift. In 2013, the International Association for Mathematical Geosciences elected him as Honorary Member.

Sir John Simon was an English pathologist, surgeon and public health officer. He was the first Chief Medical Officer for Her Majesty's Government from 1855–1876.