Oneida Armory is a historic National Guard armory building located in Oneida in Madison County, New York. It is a structural steel structure with brick curtain walls built in 1930. It was designed by State architect William Haugaard. It consists of a two-story administration building with an attached  2 1⁄2-story drill shed. The administrative building features Tudor inspired features such as a stone watertable and a brick parapet with a stone cornice and stone coping encirclig the building. It was listed on the National Register of Historic Places in 1995.