- Official name: Largo di Torre Argentina
- Address: Largo di Torre Argentina, 00186 Roma RM, Italy
- Function: Archaeological site and cat sanctuary
- Founded: 4th century BC – 1st century AD
- Historical significance: City forum & site of Julius Caesar's assassination on 15 March 44 BC.
- Date of discovery: Rediscovered during urban planning in the 1920s
- Notable features: Contains ruins of four Roman Republican temples, including one of the oldest temple sites in Rome, dating from the 3rd to 1st century BC, and Pompey's Theatre.