| Ruxandra of Moldavia | |
| Succession: | Regent of Moldavia |
| Reign: | 1568–1570 |
| Reign-Type: | Regency |
| Regent: | Bogdan IV of Moldavia |
| Reg-Type: | Prince |
| Succession1: | Princess Consort of Moldavia (1st reign) |
| Reign1: | 1556–1561 |
| Reign-Type1: | Tenure |
| Succession2: | Princess Consort of Moldavia (2nd reign) |
| Reign2: | 1564–1568 |
| Reign-Type2: | Tenure |
| Father: | Petru Rareș of Moldavia |
| Mother: | Doamna Jelena Branković of Serbia |
| Spouse: | Alexandru Lăpușneanu |
| Issue: | Bogdan IV of Moldavia |
| Birth Date: | 1538 |
| Birth Place: | Suceava, Principality of Moldavia |
| Death Place: | Iași, Principality of Moldavia |
| House: | House of Mușat |
Ruxandra Lăpușneanu (1538 – 21 November 1570) was a princess consort of Moldavia by her marriage to Alexandru Lăpușneanu in 1564.[1] [2] [3] [4] Ruxandra was the daughter of Peter IV Rareș and Princess Elena Ecaterina Rareș (the second daughter of Jovan Branković of Serbia).[5] From 1568 until 1570 she was regent in Moldavia on behalf of her son Bogdan IV of Moldavia.[6]