Trenton is a town located in Pictou County, Nova Scotia.
Adjacent and to the north of the larger town of New Glasgow, Trenton is the industrial centre of the area and is home to a Nova Scotia Power generating station. It was also home to TrentonWorks Ltd., a large railway car manufacturing company, which closed in 2007.
The Trenton Forge, located on the TrentonWorks property dates to the 1870s and is one of the largest forges in the world. The town is the birthplace of the steel industry in Canada. At one time, Trenton also hosted a glass works and paint plant.