Russeifa is a city located in the Zarqa Governorate of Jordan. It is also known by various alternative spellings including Ruseifa(h), Rusaifa(h), Russiefa, and Russeifa.
As of 2015, the city had a population of 472,604 inhabitants. This population size ranks Russeifa as the fourth-largest city in Jordan, following Amman, Irbid, and Zarqa.