Does Anything eat killer Whales

No, orcas don't have any natural predators but instead, they are predators that hunt and kill other animals. Orcas are known as killer whales and they can hunt in the dark even if they cannot see their prey. Killer whales use their sonar inside of their brains to hunt and kill their prey in the dark. Orcas are apex predators and no other predators can kill apex predators.