Which psalm begins, "My God, my God, why have You forsaken me?"

Answer: Psalm 22

Psalm 22, a psalm of David, opens with this cry of anguish and later turns to praise.

“For the choirmaster. To the tune of “The Doe of the Dawn.” A Psalm of David. My God, my God, why have You forsaken me? Why are You so far from saving me, so far from my words of groaning?”— Psalm 22:1 (BSB)