| John Jacob Astor IV | John Jacob Astor IV |
| John Jago's Ghost | John Jagos Geist |
| John James Audubon | John James La Forest Audubon |
| John James Richard Macleod | John James Richard Macleod |
| John Jay | John Jay |
| John Jensen | John Jensen |
| John Jesus Flanagan | John Flanagan |
| John Joseph Hopfield | John Hopfield |
| John Joseph Merlin | Jean-Joseph Merlin |
| John Keats | John Keats |
| John Keble | John Keble |
| John Kemp Starley | John Kemp Starley |
| John Kendrew | John Cowdery Kendrew |
| John Kenneth Galbraith | John Kenneth Galbraith |
| John Kerr | John Kerr |
| John Kerry | John Kerry |
| John Kiffmeyer | John Kiffmeyer |
| John Knoll | John Knoll |
| John Knox | John Knox |
| John Krol | John Joseph Krol |
| John Kufuor | John Agyekum Kufuor |
| John Lambert | John Lambert |
| John Langdon Down | John Langdon-Down |
| John Lasseter | John Lasseter |
| John Lawrence LeConte | John Lawrence Le Conte |
| John Layfield | John Layfield |
| John le Carré | John le Carré |
| John Lee Hooker | John Lee Hooker |
| John Legend | John Legend |
| John Leland | John Leland |
| John Lennard-Jones | John Lennard-Jones |
| John Lennon | John Lennon |
| John Leslie's Chameleons: Not the Sequel | Verführerische Verwandlung |
| John Levén | John Levén |
| John Lilburne | John Lilburne |
| John Lindley | John Lindley |
| John Locke | John Locke |
| John Logan | John Logan |
| John Logie Baird | John Logie Baird |
| John Lothrop Motley | John Lothrop Motley |
| John Loudon McAdam | John Loudon McAdam |
| John Lurie | John Lurie |
| John Lydon | John Lydon |
| John Lyly | John Lyly |
| John Madden | John Madden |
| John Major | John Major |
| John Malalas | Johannes Malalas |
| John Malkovich | John Malkovich |
| John Mandeville | Jehan de Mandeville |
| John Maron | Maron von Beit-Marun |
| John Marshall | John Marshall |
| John Mauchly | John William Mauchly |
| John Maurice Clark | John Maurice Clark |
