Sulayman ibn Abdallah ibn Tahir

Sulayman ibn Abdallah ibn Tahir (Arabic: سليمان بن عبد الله بن طاهر‎‎) was a ninth century Tahirid official in the service of the Abbasid Caliphate. He was the last Tahirid governor of Tabaristan, ruling there until he was expelled by the rebellion of al-Hasan ibn Zayd in 864, and was afterwards appointed governor of Baghdad and the Sawad in 869, a position which he held until his death in 879.

Sulayman was the son of Abdallah ibn Tahir, the governor of Khurasan from 828 until 845. According to Ibn Isfandiyar, he was appointed as governor of Tabaristan in either 851 or 854, and served there on behalf of the Tahirids of Khursasan, under whose jurisdiction the province fell. During his time in Tabaristan, Sulayman came under the influence of his deputy Muhammad ibn Aws al-Balkhi, who was able to appoint members of his family as governors of the cities and districts of the province. These last dealt with the local inhabitants in an extremely harsh manner, and Sulayman's administration soon became accused of excessive taxation and tyranny.

By 864, Tahirid misrule in Tabaristan caused the residents of the western districts of the province to rise up in revolt. The rebels, who proclaimed the 'Alid al-Hasan ibn Zayd as their leader, quickly gained strength, drawing support from the people of Tabaristan as well as the Daylamites of neighboring Daylam. After defeating Ibn Aws in a battle they were able to enter Amul in November 864 and then marched on Sariyah, where Sulayman was stationed. Sulayman's troops set out to defend the city, but al-Hasan was able to send a second force to sneak past them and enter Sariyah unopposed. Sulayman then abandoned Tabaristan for Jurjan, leaving al-Hasan in control of the province.

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