Abbasa

Abbasa can refer to:
 * Abbasa, Iran, a village in northern Iran
 * Abbasa bint al-Mahdi, 8th-century Abbasid princess
 * Abbasa bint Sulayman, was the daughter of Abbasid prince Sulayman and wife of Abbasid caliph Harun al-Rashid (r. 786–809)