Abbasa bint Sulayman (Arabic: العباسة بنت سليمان) was an Abbasid princess, daughter of Sulayman ibn Abi Ja'far, niece of Abbasid caliph al-Mahdi and wife of caliph Harun al-Rashid.
Abbasa was the daughter of Abbasid prince Sulayman and a wife of Caliph Harun al-Rashid (r. 786–809)[1][2] She marriage Harun al-Rashid around 803–804.
Her father, Sulayman was a son of the Abbasid caliph al-Mansur (r. 754–775) and one of his wives, Fatima bint Muhammad, granddaughter of Isa ibn Talha al-Taymi, who was the son of a leading companion of the Islamic prophet Muhammad, Talha ibn Ubaydallah.[1][3]
Abbasa was related to Abbasid house both by birth and marriage. She was the third and last Abbasid princess who married Harun al-Rashid. His first Abbasid wife was Zubaidah bint Ja'far and second was Umm Muhammad bint Salih.
Her husband, Harun's another wife was Jurashiyyah al-Uthmanniyah. She was the daughter of Abdallah ibn Muhammad, and had descended from Uthman, the third Caliph of the Rashidun.[2]
Abbasa was contemporary and related to several Abbasid caliphs, prince and princesses. Her own children died at very young age, she kept good relations with her step-son children.