| Ratna Kencana | |
|---|---|
| Nimas Ratu Kalinyamat | |
 Modern painting of Ratu Kalinyamat | |
| Queen of Kalinyamat | |
| Reign | 1549 – 1579 |
| Predecessor | "Monarch Established" |
| Successor | Pangeran Arya Jepara |
| Spouse | Sultan Hadlirin |
| Father | Sultan Trenggana |
| Religion | Islam |
Ratu Kalinyamat or Ratna Kencana (died after 1579) was the queen regnant of Kalinyamat and Jepara, a Javanese Islamic polity on northern coast of Central Java in ca. 1549–1579.[1] She is mainly known for her attack and naval expeditions against Portuguese Malacca.[2]
She was the daughter of Sultan Trenggana of Demak and the spouse of Sultan Hadlirin. Ratna Kencana ascended the throne after the assassination of her brother, Sunan Prawoto, and her husband by Arya Penangsang.