Using only a series of images of a person’s face and publicly available software, it is now possible to insert the person’s likeness into a video and show them saying or doing almost anything. This “deepfake” technology has permitted an explosion of political satire and, especially, fake pornography. Several states have already passed laws regulating deepfakes, and more are poised to do so. This Article presents three novel empirical studies that assess public attitudes toward this new technology. In our main study, a representative sample of the U.S. adult population perceived nonconsensually created pornographic deepfake videos as extremely harmful and overwhelmingly wanted to impose criminal sanctions on those creating them. Labeling por...