ÿAbà « Muḥammad ÿAbd AllÃÂh ibn ÿIyÃÂd (died 21 August 1147) was the ruler (amër) of Murcia and Valencia from 1145 until his death.
Under the Almoravids, Ibn ÿIyÃÂd was a military commander (qÃÂþid) based in Lleida. He led a contingent at the battle of Fraga in 1134 and was credited by Ibn al-Athër with leading a successful cavalry charge. He was later recruited by MarwÃÂn ibn ÿAbd al-ÿAzëz, the qÃÂá¸Âë (judge) of Valencia to lead the resistance to the Almoravids in Játiva. In March 1145, he persuaded MarwÃÂn to accept the post of raþës in Valencia. In October, he seized power in Murcia. When MarwÃÂn failed to pay the jund (army), they replaced him with Ibn ÿIyÃÂd in November. He thus came into control of both Murcia and Valencia by the end of 1145.
In January 1146, Ibn ÿIyÃÂd recognized the authority of Sayf al-Dawla as sovereign, inviting him to form a government in Murcia and Valencia. According to al-Dhahabë, the arrangement was that "Ibn ÿIyÃÂd would control the army and money and Sayf al-Dawla was sultan." The former took the title mujÃÂhid. He continued to recognize the caliphal and religious authority of the Abbasids. Al-Dhahabë also claims that Sayf al-Dawla accused Ibn ÿIyÃÂd of creating discord between him and his Christian ally, Alfonso VII of Castile. In the battle of Albacete on 5 February 1146, Sayf al-Dawla was killed by the Christians but Ibn ÿIyÃÂd escaped.
Ibn ÿIyÃÂd continued to wield power in the name of Sayf al-Dawla's son, ÿAbd al-RaḥmÃÂn. He minted coins in his name into 1146, when he switched to minting in his own name. He introduced a morabetino of high quality, containing 3.9 grams of gold, that became known after him as the ayadino. It was highly valued in the Kingdom of Aragon. From May 1146, ÿAbd AllÃÂh ibn Faraj al-Thaghrë exercised actual power in Murcia as raþës. In December, Ibn ÿIyÃÂd recovered control. Ibn ÿIyÃÂd died in battle near Uclés in August 1147 and was succeeded by Ibn Mardanësh.