Yes, As a Matter of Fact, Bambi IS Out to Get You

Each year, an estimated 1.5 million deer-vehicle collisions kill several hundred people, injure tens of thousands more and cause more than $1 billion in vehicle damage.

Read the linked article to learn how to avoid collisions with deer - One interesting fact of note is that, "The study firmly rejected deer whistles (whistles mounted on a car that produce an ultrasonic noise when a vehicle moves) as a deterrent.