Leviathan — Pharaoh. The people — To the ravenous birds and beasts of the desert. These creatures are significantly called the people of the wilderness, because they are the only people that inhabit it.
Related Commentaries of Psalms 74:14
Psalms 74:14
14 Thou brakest the heads of leviathan in pieces, and gavest him to be meat to the people inhabiting the wilderness.