| Ogdensburg Armory | |
| Coordinates: | 44.6992°N -75.4897°W |
| Built: | 1898 |
| Architect: | Isaac Perry |
| Architecture: | Late Victorian, castellated |
| Added: | March 2, 1995 |
| Refnum: | 95000088 |
Ogdensburg Armory is a historic National Guard armory building located at Ogdensburg in St. Lawrence County, New York. It was built in 1898 and designed by State architect Isaac G. Perry. It consists of a 2-story, hip-roofed administration building and a large gable-roofed drill shed. It is built of load-bearing, reddish-brown Potsdam sandstone walls built upon a raised, rusticated, light-gray limestone foundation. The main block features 5-, 4-, and -story towers.[1]
It was listed on the National Register of Historic Places in 1995.