During Napoleons invasions to Italy,many client (puppet) republics were established.These were:

Ligurian Republic (1796 - 1805), annexed to France Ligurian Republic and Northen Italy, 1801 The Ligurian Republic was a short-lived French satellite republic formed by Napoleon Bonaparte in 1796. ...

Republic of Alba (1796 - 1801), annexed to France The republic of Alba was a French client republic proclaimed on 25 April 1796. ...

Cispadane Republic (1796 - 1797), formed the Cisalpine Republic Flag of the Repubblica Cispadana The Cispadane Republic (Repubblica Cispadana) was a short-lived republic located in Northen Italy, founded in 1796 with the protection of the French army, led by Napoleon Bonaparte. ...

Transpadane Republic (1797), formed the Cisalpine Republic The Transpadane Republic was a French client republic in Northern Italy that lasted from 1796 to 17th July 1797. ...

Republic of Crema (1797)

Bolognese Republic (1798) The Bolognese Republic was procloaimed in 1796 in the coty of Bologna. ...

Cisalpine Republic (1797 - 1802) transformed into the Italian Republic The flag of the Cisalpine Republic was the Transpadane Republic vertical Italian tricolour, with the square shape of the Cispadane Republic The Cisalpine Republic (Italian: Repubblica Cisalpina) was a French client republic in Northern Italy that lasted from 1797 to 1802. ...

Republic of Ancona (1797 - 1798), joined Roman Republic

Roman Republic (1798 - 1800) capital Rome See also Roman Republic (18th century) and Roman Republic (19th century) The Roman Republic (Latin: Res Publica Romanorum) was the representative government of Rome and its territories from 510 BC until the establishment of the Roman Empire, sometimes placed at 44 BC (the year of Caesars appointment as perpetual...

Tiberina Republic (1798 - 1799) capital Perugia, joined Roman Republic

Parthenopaean Republic (1799) capital Neaples The Parthenopaean Republic formed a brief interlude in the history of the Kingdom of Naples, the result of activities of France in the aftermath of Jacobinism to export revolution . Origins of the Republic On the outbreak of the French Revolution King Ferdinand IV of Naples and Queen Maria Carolina did...

Italian Republic (1802 - 1805)

There were also 2 client monarchies:

Kingdom of Etruria (1801 - 1807) Merchant flag of the Kingdom of Etruria. ...

Kingdom of Italy The flag of the Kingdom of Italy was a rectangular version of the flag of the Italian Republic, with Napoleons emblem on the green field. ...