Howard Barton Unruh (January 21, 1921 – October 19, 2009) was an American mass murderer who shot and killed thirteen people during a twelve-minute walk through his neighborhood in Camden, New Jersey, on September 6, 1949 in an incident that became known as the Walk of Death.

(physics) A theoretical prediction in quantum field theory that an observer who is uniformly accelerating through empty space will perceive a thermal bath.

an American anti-abortion advocate and public speaker.

The (colloquially the "Unruh Act") an expansive 1959 California law that prohibits any business in California from engaging in unlawful discrimination against all persons (consumers) within California's jurisdiction, where the unlawful discrimination is in part based on a person's sex, race, color, religion, ancestry, national origin, age, disability, medical condition, genetic information, marital status, sexual orientation, citizenship, primary language, or immigration status.

(born June 28, 1967) an American journalist and former television news anchor.