Ştefan Rareş (died 1 September 1552) was ruler of Moldavia in 1551 and 1552.
Ştefan was a son of Petru Rareş and succeeded to the Moldavian throne on 11 June 1551 when his brother Ilie II Rareş was forced to abdicate by the Ottoman Empire.
He attempted to create an alliance with the German King Ferdinand I against the Ottomans, but was unsuccessful. He attempted an invasion of Transylvania in 1564, and when this failed he was assassinated by his boyars.
| Preceded by Ilie II Rareş |
Ruler of Moldavia 1551–1552 |
Succeeded by Ioan Joldea |