| Public Service Alliance of Canada Building | |
| Architectural Style: | Modernist |
| Address: | 233 Gilmour Street |
| Location City: | Ottawa, Ontario |
| Location Country: | Canada |
| Est Completion: | --> |
| Opened Date: | 21 December 1968[1] |
| Destruction Date: | --> |
| Client: | Public Service Alliance of Canada |
| Owner: | Public Service Alliance of Canada |
| Management: | or |
| Operator: | or |
| Governing Body: | --> |
| Floor Count: | 12 |
| Floor Area: | 11150m2 |
| Architect: | Paul Schoeler |
| Architecture Firm: | Schoeler & Heaton Architects |
| Main Contractor: | Thomas Fuller Construction |
The Public Service Alliance of Canada Building is a modernist elliptical office building in Ottawa, Ontario, constructed in 1968 as the national headquarters for the Public Service Alliance of Canada. Designed by Paul Schoeler of Schoeler & Heaton Architects, the 12-storey building is located at the intersection of Gilmour and Metcalfe.[2] The building was a recipient of a Ontario Association of Architects Award.[3] In 2000, the Royal Architectural Institute of Canada chose the building as one of the top 500 buildings produced in Canada during the last millennium.[4]