Coat of arms of the Polish–Lithuanian Commonwealth

The coat of arms of the Polish–Lithuanian Commonwealth was the symbol of the Polish–Lithuanian Commonwealth, representing the union of the Crown of the Polish Kingdom and Grand Duchy of Lithuania.

Background
The coat of arms of the Commonwealth combined the coat of arms of the Kingdom of Poland and the Grand Duchy of Lithuania, which are depicted as follows:

Insurrections
During the January uprising a similar coat of arms was proposed for the restored Commonwealth, with Archangel Michael, the coat of arms of Ruthenia added as the third element. However, it was never officially introduced.