| John Nash | John Nash |
| John Nelson Darby | John Nelson Darby |
| John Neumann | San Giovanni Nepomuceno Neumann |
| John Njue | John Njue |
| John Norman | John Norman |
| John Norum | John Norum |
| John of Beverley | San Giovanni di Beverley |
| John of Brienne | Giovanni di Brienne |
| John of Cappadocia | Giovanni II di Francia |
| John of Damascus | San Giovanni Damasceno |
| John of Denmark | Giovanni di Danimarca |
| John of Fordun | Giovanni di Fordun |
| John of God | San Giovanni di Dio |
| John of Kronstadt | San Giovanni di Kronstadt |
| John of Leiden | Giovanni di Leida |
| John of Matha | San Giovanni de Matha |
| John of Montecorvino | Giovanni da Montecorvino |
| John of Nepomuk | San Giovanni Nepomuceno |
| John of Parma | Giovanni da Parma |
| John of Ruysbroeck | Jan Van Ruysbroeck |
| John of Salisbury | Giovanni da Salisbury |
| John of Saxony | Giovanni I di Francia |
| John of Scotland | Giovanni di Scozia |
| John of Shanghai and San Francisco | Giovanni Primicerio |
| John of the Cross | San Giovanni della Croce |
| John Osborne | John Osborne |
| John Ostrom | John Ostrom |
| John Ousterhout | John Ousterhout |
| John Patrick Foley | John Patrick Foley |
| John Paul Getty III | John Paul Getty III |
| John Paul Jones | John Paul Jones |
| John Peel | John Peel |
| John Pemberton | John Stith Pemberton |
| John Petrucci | John Petrucci |
| John Philoponus | Giovanni Filopono |
| John Pius Boland | John Pius Boland |
| John Polidori | John Polidori |
| John Pople | John Pople |
| John Profumo | John Profumo |
| John Q | John Q |
| John Quincy Adams | John Quincy Adams |
| John Rawls | John Rawls |
| John Ray | John Ray |
| John Reed | John Reed |
| John Rhys-Davies | John Rhys-Davies |
| John Romero | John Romero |
| John Ruiz | John Ruiz |
| John Ruskin | John Ruskin |
| John Russell Hind | John Russell Hind |
| John Rzeznik | Johnny Rzeznik |
| John Scarlett | John Scarlett |
| John Schlesinger | John Schlesinger |
| John Schofield | John Schofield |
| John Scofield | John Scofield |
| John Searle | John Searle |
| John Silver | Jonathan Silver |
| John Skylitzes | Giovanni Skylitzes |
| John Sladek | John Sladek |
| John Smith of Jamestown | John Smith |
| John Steed | John Steed |
| John Steinbeck | John Steinbeck |
| John Stevens Cabot Abbott | John Stevens Cabot Abbott |
| John Stockton | John Stockton |
| John Stuart Mill | John Stuart Mill |
| John Surtees | John Surtees |
| John Taylor | Nigel John Taylor |
| John Terry | John Terry |
| John the Apostle | Giovanni apostolo ed evangelista |
| John the Baptist | San Giovanni Battista |
| John the Cappadocian | Giovanni di Cappadocia |
| John the Evangelist | San Giovanni apostolo ed evangelista |
| John the Fearless | Giovanni di Borgogna |
| John Toland | John Toland |
