虐待老人 (也称“高龄人虐待”、“不尽孝”)是“单一的、重复性活动，或缺乏合适的行为，出现在本应相互信任、满足期待的关系中，导致对老年人的伤害和痛苦。”这一定义被世界卫生组织采纳，来自不列颠的反对虐待老人行动组织。法律保护老年人，防止他们受到虐待，以及相应的，法律保护受赡养者不被虐待。

虐待老人的核心元素是老年人对当事人“希望得到信任”，但是后者成为了施虐者。因此，这包括老年人熟知的人或与他们有关系的人，例如爱人、同伴或家庭成员，邻居，或老年人所依赖为生的服务人员。虐待老人有许多形式，可以被认定是家庭暴力。

Elder abuse (also called "elder mistreatment," "senior abuse," "abuse in later life," "abuse of older adults," "abuse of older women," and "abuse of older men") is "a single, or repeated act, or lack of appropriate action, occurring within any relationship where there is an expectation of trust, which causes harm or distress to an older person." This definition has been adopted by the World Health Organization from a definition put forward by Action on Elder Abuse in the UK. Laws protecting the elderly from abuse are similar to, and related to, laws protecting dependent adults from abuse.