Ahmad ibn Kayghalagh

Ahmad ibn Kayghalagh (Arabic: أحمد بن كيغلغ‎‎) was an Abbasid military officer of Turkic origin who served as governor in Syria and Egypt. He was ousted as governor of Egypt by Muhammad ibn Tughj in 935.

In November 903 he participated in the victorious Battle of Hama against the Qarmatians along with his brother, Ibrahim, under the command of Muhammad ibn Sulayman al-Katib, for which the two brothers, as well as the other officers of the army, received robes of honour from Caliph al-Muktafi on 22 May 904.

After the Abbasids recovered Syria and Egypt from the Tulunids in 904–905, Ibn Kayghalagh was named governor of the provinces of Damascus and Jordan. Soon however he was sent to confront the pro-Tulunid rebellion of Muhammad ibn Ali al-Khalanji. The latter had managed to capture Fustat and proclaim the restoration of the Tulunids, while the local Abbasid commander withdrew to Alexandria. Al-Khalanji proved victorious in the first encounter with Ibn Kayghalagh at al-Arish in December 905, but in the end he was defeated and captured in May 906 and brought to Baghdad. In Ibn Kayghalagh's absence, the Qarmatians raided Jordan and defeated and killed Ibn Kayghalagh's deputy Yusuf ibn Ibrahim ibn Bughamardi, withdrawing only at the approach of reinforcements from Baghdad under al-Husayn ibn Hamdan.

On 22 October 906, he led the annual raid against the Byzantine Empire from Tarsus, joined by the local governor, Rustam ibn Baradu. According to al-Tabari, they defeated the Byzantines at "Salandu" and reached as far as the Halys River, making 4,000 or 5,000 captives and taking many horses and cattle as loot. In addition, one of the local Byzantine commanders reportedly surrendered himself and converted to Islam.

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