Sheikh Abdullah bin Husayn bin Nasser al-Ahmar (Arabic: عبد الله بن حسين الأحمر) (1933 – 29 December 2007) was a politician and tribe leader of Yemen. He was speaker of the House of Representatives (Yemen) from 1993 to 2007 and also was the Sheikh of the Hashid tribal federation and the Al-Islah party.
He inherited the position of Sheikh of the Hashid tribal federation from his father, Husayn Bin Nasser al-Ahmar, who was executed by Imam Ahmad bin Yahya. As a result, during the North Yemen Civil War Abdullah al-Ahmar sided with the Republicans against the Royalists and was appointed governor of Hajjah, but he refused to join the Egyptian-backed government of Abdullah as-Sallal. After Egypt withdrew from Yemen, he helped topple the Sallal government and his tribes provided crucial support to the new regime of Abdul Rahman al-Iryani against the royalists.
In 1970, the civil war ended with the abolition of the monarchy and al-Ahmar became the chairman of the new Consultative Council.
When Colonel Ibrahim al-Hamdi seized power in 1974, he tried to limit the representation of the tribal leaders, which led to an open rebellion by the Hashid tribes. After the assassination of Hamdi in 1977, Saudi Arabia helped bring about a reconciliation between the tribes and the new government in 1978, first under Ahmad Husayn Ghashmi and then under Ali Abdullah Saleh. Ali Abdullah Saleh who also belongs to the Hashid tribal confederation. Abdullah Al-Ahmar was appointed to the Constituent People's Assembly.