Halime Sultan
| Halime Sultan | |
|---|---|
| Sarcophagus of Halime Sultan (right) and her son Mahmud (left) | |
| Valide Sultan of the Ottoman Empire | |
| First tenure | 22 November 1617 – 26 February 1618 | 
| Predecessor | Handan Sultan | 
| Successor | Herself (1622) | 
| Second tenure | 19 May 1622 – 10 September 1623 | 
| Predecessor | Herself (1618) | 
| Successor | Kösem Sultan | 
| Born | c. 1570 Abkhazia, Ottoman Empire | 
| Died | after 1623 Eski Saray, Beyazıt Square, Constantinople, Ottoman Empire | 
| Burial | Şehzade Mahmud Mausoleum, Şehzade Mosque, Istanbul | 
| Consort of | Mehmed III | 
| Issue | Şehzade Mahmud Hatice Sultan Şah Sultan Mustafa I | 
| Religion | Sunni Islam, previously Eastern Orthodox | 
Halime Sultan (Ottoman Turkish: حلیمه سلطان; c. 1570 - after 1623) was a consort of Sultan Mehmed III, and the mother of Sultan Mustafa I. The first woman to be Valide Sultan twice and the only to be Valide twice of a same son. She was an de facto co ruler of Ottoman Empire as Valide Sultan from 1617 to 1618 and again from 1622 to 1623, as her son was mentally unstable. Halime was also one of the prominent figures during the era known as the Sultanate of Women.
Halime lived in the Ottoman empire as a courtier during the reign of seven Sultans: Murad III, Mehmed III, Ahmed I, Mustafa I, Osman II, Murad IV.