Johann von Plettenberg
Johann von Plettenberg is the name of the following people:
- Johann I von Plettenberg (before 1270 – after 1314), Cologne Marshal of Westphalia
- Johann Adolph von Plettenberg (1655–1696), chamberlain from the Electorate of Cologne and privy councilor
- Johann Mauritz von Plettenberg zu Marhülsen (1686–1740), subdeacon and canon in various dioceses