M-P
| Name | Swedish name | Location | Date | Condition | Picture | Notes |
|---|---|---|---|---|---|---|
| Malmö Castle | Malmöhus slott | Scania | 1530 | Museum | ||
| Mälsåker House | Mälsåkers slott | Södermanland | 1660s | Museum | ||
| Maltesholm Castle | Maltesholms slott | Scania | 1635 | Private residence | ||
| Månstorp Gables | slott | Scania | Ruin | |||
| Mariedal Castle | Mariedals slott | Västergötland | 1660s | Private residence | ||
| Marsvinsholm Castle | Marsvinsholms slott | Scania | 1648 | Private residence | ||
| Mem Castle | Mems slott | Östergötland | Private residence | |||
| Nääs Castle | Nääs slott | Västergötland | 1835 | Museum | ||
| Näs Castle | Näs slott | Småland | 1100s | Ruin | ||
| Näsby Castle | Näsby slott | Stockholm | 1300s | Hotel | ||
| Näsbyholm Castle | Näsbyholms slott | Scania | 1400s | Private residence | ||
| Nor Castle | Nors slott | Uppland | 1300s | Hotel | ||
| Nyköping Castle | Nyköpingshus | Södermanland | 1100s | Ruin | ||
| Nynäs Castle | Nynäs slott | Södermanland | 1650s | Museum | ||
| Örbyhus Castle | Örbyhus slott | Uppland | 1300s | Museum | ||
| Örebro Castle | Örebro slott | Närke | 1573 | Museum | ||
| Örenäs Castle | Örenäs slott | Scania | Hotel | |||
| Örtofta Castle | Örtofta slott | Scania | 1861 | Private residence | ||
| Örup Castle | Örups slott | Scania | 1400s | Private residence | ||
| Osbyholm Castle | Osbyholms slott | Scania | 1405 | Private residence | ||
| Östanå Castle | Östanå slott | Uppland | 1794 | Private residence | ||
| Öster-Malma Castle | Östermalma slott | Södermanland | 1668 | Private residence | ||
| Övedskloster Castle | Övedsklosters slott | Scania | 1776 | Private residence | ||
| Ovesholm Castle | Ovesholms slott | Scania | 1804 | Private residence | ||
| Pålsjö Castle | Pålsjö slott | Scania | 1679 | Private residence | ||
| Penningby Castle | Penningby slott | Uppland | 1330s | Museum |
Read more about this topic: List Of Castles And Manor Houses In Sweden