Verses with the word wolf in the Old Testament (4 verses):

Genesis 49:27
Benjamin shall ravin as a wolf: in the morning he shall devour the prey, and at night he shall divide the spoil.

Isaiah 11:6
The wolf also shall dwell with the lamb, and the leopard shall lie down with the kid; and the calf and the young lion and the fatling together; and a little child shall lead them.

Isaiah 65:25
The wolf and the lamb shall feed together, and the lion shall eat straw like the bullock: and dust shall be the serpent's meat. They shall not hurt nor destroy in all my holy mountain, saith the LORD.

Jeremiah 5:6
Wherefore a lion out of the forest shall slay them, and a wolf of the evenings shall spoil them, a leopard shall watch over their cities: every one that goeth out thence shall be torn in pieces: because their transgressions are many, and their backslidings are increased.