| Ohio National Guard Armory | |
| Location: | 1437-1439 Western Ave., Cincinnati, Ohio |
| Coordinates: | 39.1114°N -84.5325°W |
| Built: | 1886 |
| Architect: | Samuel Hannaford & Sons
|
| Architecture: | Late Victorian, Victorian Eclectic |
| Added: | March 3, 1980 |
| Mpsub: | Samuel Hannaford and Sons TR in Hamilton County |
| Refnum: | 80003069 |
Ohio National Guard Armory is a registered historic building in Cincinnati, Ohio, listed in the National Register on March 3, 1980. It was designed by Samuel Hannaford who won a competition for the design, beating out Charles Crapsey and others.