Dissident Left
| Dissident Left Sinistra dissidente | |
|---|---|
| Leaders | Giuseppe Zanardelli Francesco Crispi Benedetto Cairoli Giovanni Nicotera Alfredo Baccarini | 
| Founded | 1877 | 
| Dissolved | 1887 | 
| Split from | Historical Left | 
| Merged into | Historical Left | 
| Headquarters | Palazzo Montecitorio, Rome | 
| Ideology | Progressivism Protectionism Anti-Trasformismo | 
| Political position | Left-wing | 
The Dissident Left (Italian: Sinistra dissidente), commonly named The Pentarchy (Italian: La Pentarchia) for its five leaders, was a progressive and radical parliamentary group active in Italy during the last decades of the 19th century.