Baldwin II, also known as Baldwin of Bourcq (French: Baudouin; c. 1075 – 21 August 1131), was the count of Edessa from 1100 to 1118 and the king of Jerusalem from 1118 until his death. He accompanied Godfrey of Bouillon and Baldwin of Boulogne to the Holy Land during the First Crusade. He became the second count of Edessa when the first count, Baldwin of Boulogne, left the county for Jerusalem following his brother's death. He was captured at the Battle of Harran in 1104. He was held first by Sökmen of Mardin, then by Jikirmish of Mosul, and finally by Jawali Saqawa. During his captivity, Tancred, the ruler of the Principality of Antioch, and Tancred's cousin, Richard of Salerno, governed Edessa as Baldwin's regents.
Baldwin was ransomed by his cousin, Joscelin of Courtenay, lord of Turbessel, in the summer of 1108. Tancred attempted to retain Edessa, but Bernard of Valence, the Latin patriarch of Antioch, persuaded him to restore the county to Baldwin. Baldwin allied with Jawali, but Tancred and his ally, Radwan of Aleppo, defeated them at Turbessel. Baldwin and Tancred were reconciled at an assembly of the crusader leaders near Tripoli in April 1109. Mawdud, the Atabeg of Mosul, and his successor, Aqsunqur al-Bursuqi, launched a series of campaigns against Edessa in the early 1110s, devastating the eastern regions of the country. Baldwin accused Joscelin of treason for seizing the prosperous town of Turbessel from him in 1113 and captured the neighboring Armenian lordships in 1116 and 1117.