List of Famous people named John

John Avery Lomax was an American teacher, a pioneering musicologist, and a folklorist who did much for the preservation of American folk music. He was the father of Alan Lomax and Bess Lomax Hawes.

John Phillips Naber is an American former competition swimmer, five-time Olympic medalist, and former world record-holder in multiple events.

John I, Duke of Lüben, was a ruler of Lüben (Lubin) during 1441–1446 with his brother, as co-rulers, Haynau (Chojnów) since 1452, Brieg (Brzeg) and Goldberg (Złotoryja) during 1449–1450 with his brother, as co-rulers.

John Claudius Loudon was a Scottish botanist, garden designer and author. He was the first to use the term arboretum in writing to refer to a garden of plants, especially trees, collected for the purpose of scientific study. The standard author abbreviation Loudon is used to indicate this person as the author when citing a botanical name. He had a wife, Jane, née Webb.

John Newton Mitchell was an American lawyer, the 67th Attorney General of the United States under President Richard Nixon, chairman of Nixon's 1968 and 1972 presidential campaigns, and a convicted criminal. Prior to that, he had been a municipal bond lawyer and one of Nixon's closest personal friends.

Sir John Pringle, 1st Baronet, PRS was a British physician who has been called the "father of military medicine".

John Whitehead Greaves was an English businessman who was instrumental in developing the slate industry in Wales.