The Wachusett Shirt Company is an historic industrial complex at 97-106 Water Street in Leominster, Massachusetts, United States. The five-building complex was developed between 1887 and 1910, and was home to one of the city's leading employers until the 1930s. Most of the complex converted into a residential complex known as Riverway Apartments in 1981. It was listed on the National Register of Historic Places in 1982.