List of Famous people named John

John Carroll was a prelate of the Roman Catholic Church who served as the first bishop and archbishop in the United States. He served as the ordinary of the first diocese and later Archdiocese of Baltimore, in Maryland, which at first encompassed all of the United States and later after division as the eastern half of the new nation.

Sir John Robert Vane was a British pharmacologist who was instrumental in the understanding of how aspirin produces pain-relief and anti-inflammatory effects and his work led to new treatments for heart and blood vessel disease and introduction of ACE inhibitors. He was awarded the Nobel Prize in Physiology or Medicine in 1982 along with Sune Bergström and Bengt Samuelsson for "their discoveries concerning prostaglandins and related biologically active substances".

John William “Bud” Rogan was an American man who was recorded as the second tallest person in history, surpassed only by Robert Wadlow.

John William III, Duke of Saxe-Eisenach, was a duke of Saxe-Eisenach, and came from the Ernestine line of the house of Wettin.

John Stewart was a British Conservative and Tory politician and pro-slavery lobbyist. He was possibly the second mixed-race Member of Parliament (MP) of the Parliament of the United Kingdom after James Townsend.

Johann Adolf of Holstein-Gottorp was a Duke of Holstein-Gottorp.

John Hanning Speke was an English explorer and officer in the British Indian Army who made three exploratory expeditions to Africa. He is most associated with the search for the source of the Nile and was the first European to reach Lake Victoria. Speke is also known for propounding the Hamitic hypothesis in 1863, in which he supposed that the Tutsi ethnic group were descendants of the biblical figure Ham, and had lighter skin and more Hamitic features than the Bantu Hutu over whom they ruled. The racial hypothesis he proposed contributed to the conditions for the 1994 Rwandan genocide, in which 500,000 to 600,000 Tutsi were slaughtered.

John II was Elector of Brandenburg from 1486 until his death, the fourth of the House of Hohenzollern. After his death he received the cognomen Cicero, after the Roman orator of the same name, but the elector's eloquence and interest in the arts is debatable.

John Reginald Neville, CM, OBE was an English theatre and film actor who moved to Canada in 1972. He enjoyed a resurgence of international attention in the 1980s as a result of his starring role in Terry Gilliam's The Adventures of Baron Munchausen (1988).

John Albert Gwilliam was a Welsh rugby union player and schoolteacher. As a "No. 8" he played international rugby for Wales and club rugby for Cambridge University, Edinburgh Wanderers, Gloucester, Newport, London Welsh, Llanelli and Wasps. He captained the Wales rugby union team when they achieved Grand Slam victories in the 1950 and 1952 Five Nations Championships.