Abdullah bin Faisal Al Saud (Arabic: عبد الله بن فيصل آل سعود ʿAbd Allāh bin Fayṣal Āl Suʿūd; 1831 – 2 December 1889) was one of the rulers of the Emirate of Najd, also known as Second Saudi State. His reign witnessed extensive struggle among the members of the Al Saud family which led to turmoil in the region.