Salem Township is a township in Luzerne County, Pennsylvania, United States. The population was 4,019 at the 2020 census. The Susquehanna Steam Electric Station, a nuclear power plant, is located in Salem.
The first white colonists in modern-day Salem Township were from Connecticut. Nathan Beach and his son, Josiah, were some of the many settlers who arrived in Salem. The village of Beach Haven is named in their honor. Salem Township is one of the eleven original townships of Luzerne County; it was formed in 1786. The municipality is named after Salem, Connecticut. Mills and farms were constructed throughout the township during its early years. Native American raids were also very common in and around Salem during the 18th century.
According to the United States Census Bureau, the township has a total area of , of which is land and , or 3.34%, is water. The Susquehanna River defines the eastern and southern border