Oneida Armory is a historic National Guard armory building located in Oneida in Madison County, New York. It is a structural steel frame 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 water table and a brick parapet with a stone cornice and stone coping encircling the building. It was listed on the National Register of Historic Places in 1995.