| John V | |
|---|---|
 Woodcut by Lucas Cranach the Elder: Coat-of-arms of John V | |
| Duke of Saxe-Lauenburg | |
| Reign | 1463–1507 |
| Predecessor | Bernard II |
| Successor | Magnus I |
| Born | 18 July 1439 |
| Died | 15 August 1507 (aged 68) |
| Spouse | Dorothea of Brandenburg |
| Issue more... | Magnus I Eric II/I John IV, Prince-Bishop of Hildesheim |
| House | House of Ascania |
| Father | Bernard II |
| Mother | Adelheid of Pomerania-Stolp |
| Religion | Roman Catholic |
John V of Saxe-Lauenburg (also numbered John IV;[1] 18 July 1439 – 15 August 1507) was the eldest son of Duke Bernard II of Saxe-Lauenburg and Adelheid of Pomerania-Stolp (1410 – after 1445), daughter of Duke Bogislaus VIII of Pomerania-Stolp. He succeeded his father in 1463 as duke of Saxe-Lauenburg.