Biblical scholar J. Barton Payne cited 574 Old Testament verses containing messianic prophecies, and countless others have listed and explained them. One excellent compilation is by Josh McDowell, who highlights some 60 of them as unmistakable predictions. Here is a sampling:
The Messiah would:
reconcile men to God at painful cost to Himself; come from the seed of a woman (Genesis 3:15); be a Semite (Genesis 9:26); descend through Abraham (Genesis 22:18), Isaac (Genesis 21:12) and Jacob (Numbers 24:17) and be from the tribe of Judah (Genesis 49:10); be a prophet, like Moses (Deuteronomy 18:15), a priest (Psalm 110:4), the judge (Isaiah 33:22) and king (Psalm 2:6); descend from Jesse's line (Isaiah 11:1) and David's line and be eternal king (2 Samuel 7:13); be God the Father's Son (Psalm 2:7; 2 Samuel 7:14); ransom men and restore their righteousness (Job 17:3); exist before time began and be born in Bethlehem (Micah 5:2), and young children would be killed (Jeremiah 31:15); be given gifts (Psalm 72:10; Isaiah 60:6); be called Lord (Psalm 110:1); be "God with us" (Isaiah 7:14); be anointed by the Holy Spirit (Isaiah 11:2, 42:1).
He would have zeal for His Father's house and reproach those who would violate it (Psalm 69:9); be announced in advance (Isaiah 40:3); begin his ministry in Galilee; heal the blind, deaf, dumb and lame (Isaiah 35:5,6); teach in parables (Psalm 78:2); enter the Temple (Malachi 3:1); enter Jerusalem on a donkey (Zechariah 9:9); be a stumbling block to the Jews (Psalm 118:22, 8:14); be a light to the gentiles (Isaiah 60:3); be resurrected (Psalm 16:10); ascend (Psalm 68:18) and sit at the right hand of God (Psalm 110:1); be betrayed by a friend (Psalm 41:19) and sold for 30 pieces of silver, which he would throw into the Temple and which would be given for the potter's field (Zechariah 11:12-13); be struck, causing his disciples to scatter (Zechariah 13:7), which Christ affirmed and repeated (Matthew 26:31); be falsely accused (Psalm 35:11); stand silent before His accusers (Isaiah 53:7); be wounded and bruised for people's sins (Isaiah 53:5), smitten and spit upon (Isaiah 50:6) and mocked (Psalm 22:7); be crucified with thieves and plead for those killing him (Isaiah 53:12); be thirsty (Psalm 69:21); ask God why He had forsaken Him (Psalm 22:1); commit His spirit to God (Psalm 31:5); and be buried in a rich man's tomb (Isaiah 53:9).