A tort is a wrongful act (other than a breach of a contract) that creates civil legal liability for money damages—and in some situations entitles the injured party to injunctive relief—an injunction or court order for the person or entity committing the wrongful act to stop a certain behavior or action. A person who commits a tort is known as a tortfeasor.

Torts are often associated with personal injury claims, as many torts can cause personal injuries. These claims and the related law are sometimes broadly referred to as tort law.

In Montana, as in other states, a tort is considered a civil wrong that can result in the tortfeasor (the person who commits the tort) being held liable for damages. Tort law in Montana covers a wide range of wrongful acts, including but not limited to negligence, intentional infliction of emotional distress, defamation, and trespass. Personal injury claims are a common type of tort claim in Montana, where individuals who have suffered injuries due to another's wrongful act may seek compensation for medical expenses, lost wages, pain and suffering, and other damages. Montana law also allows for punitive damages in certain cases where the tortfeasor's conduct is found to be especially egregious. In some instances, the court may grant injunctive relief to prevent the tortfeasor from continuing the harmful behavior. The specifics of tort law in Montana are detailed in state statutes and case law, and they are interpreted and applied by the courts.