| Aliyah bint al-Mansur علية بنت المنصور | |
| Spouse: | Ishaq ibn Sulayman |
| Issue: | Al-Fadl, Ja'far |
| Issue-Type: | Children |
| House: | Abbasid |
| Father: | al-Mansur |
| Mother: | Aliyah al-Umayya |
| Birth Date: | 770s |
| Birth Place: | Baghdad, Abbasid Caliphate |
| Death Place: | Baghdad, Abbasid Caliphate |
| Full Name: | Aliyah bint Abdallah al-Mansur |
| Religion: | Islam |
Aliyah bint al-Mansur was the 8th century Abbasid princess, only daughter of second Abbasid caliph al-Mansur and half-sister of third Abbasid caliph al-Mahdi. Aliyah was the only Abbasid princess in the Caliphate's history who had relation by birth with both Caliphal dynasties; cadet branch of Umayyads and ruling dynasty of Abbasids.
Aliyah was the daughter of al-Mansur. She was Al-Masnur's only daughter. She was born to an Umayyad woman named Aliyah al-Umayya. Her mother belonged to junior cadet branch of Umayyads (non ruling branch). She was named after her mother by his parents. Aliyah was the youngest child of al-Mansur. She was very young when her father died. Her elder half-brothers took care of her.
Her husband, Ishaq was a member of a collateral branch of the Abbasid dynasty, being a first cousin of the first two Abbasid caliphs al-Saffah and al-Mansur . He was also connected to the ruling line by his marriage to Aliyah bint al-Mansur. Due to his close relation with caliphs, her husband and children remained important officials of Caliphate.
Aliyah was contemporary to several Abbasid caliphs; her brother al-Mahdi, her two nephews Musa al-Hadi and Harun al-Rashid.
Aliyah was related to Abbasid house both by birth and through marriage like most other Abbasid princess. She was contemporary and related to several Abbasid caliphs, princes and princesses.
| No. | Abbasids | Relation |
|---|---|---|
| 1 | Al-Mahdi | Elder Half-brother |
| 2 | Ja'far | Elder Half-brother |
| 3 | Sulayman | Half-brother |
| 4 | Isa bint al-Mansur | Half-brother |
| 5 | Ya'qub | Half-brother |
| 6 | Ja'far | Half-brother |
| 7 | Salih al-Miskin | Younger Half-brother |
| 8 | Qasim | Younger Half-brother |