纽泽西护栏（英语：Jersey barrier），正式名称纽泽西式护栏。是一种广泛用于道路上的护栏，用以区隔车流、阻断通行。

纽泽西护栏为位于新泽西州霍博肯的史蒂文斯理工学院（Stevens Institute of Technology）所开发，用以区隔高速公路的车道。他们所设计的纽泽西护栏约为90~150公分高，以灌浆混凝土制成，单体重量可达1000公斤。

纽泽西护栏的特殊在于它「凸」字形的设计。这种形状可让车辆在冲撞护栏时，由于第一个接触面为较为有弹性的轮胎，车辆能因而弹回原车道，减少翻越到对向车道、造成更大事故的机率。

A Jersey barrier or Jersey wall is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to minimize vehicle damage in cases of incidental contact while still preventing the crossover case of a head-on collision. Jersey barriers are also used to reroute traffic and protect pedestrians during highway construction, as well as temporary and semi-permanent protections against landborne attack such as suicide vehicle bombs. A Jersey barrier is also known in the western United States as K-rail, a term borrowed from the California Department of Transportation specification for temporary concrete traffic barriers, or colloquially as a Jersey bump. Plastic water barriers of the same general shape are also now commonly referred to as Jersey barriers.