| Palacio Vasallo | |
|---|---|
 | |
 | |
| General information | |
| Location | Rosario, Santa Fe, Argentina |
| Completed | 1911 |
| Opened | May 25, 1952 (as seat of Rosario municipal government) |
| Client | Dr. Bartolomé Vassallo |
| Owner | City of Rosario |
| Design and construction | |
| Architect(s) | Alejo Infante |
Palacio Vasallo (Spanish, "Vasallo Palace") is the seat of the Legislative Branch of the municipal government of Rosario, province of Santa Fe, Argentina. The building, designed by Alejo Infante and completed in 1911, is located near the National Flag Memorial, and has been the site of Rosario's Deliberative Council since May 18, 1951. It was donated to the city by notable surgeon Dr. Bartolomé Vassallo (d. 1945), together with a collection of artistic works kept there.