Rathcormack was a constituency represented in the Irish House of Commons from 1611 to 1800.
It was a mix of potwalloping and a Manor Borough established by charter and remained tied to the borough and surrounding area.
The franchise was vested in the £5 and until 1793, Protestant freeholders and after 1782 a year's residence was necessary.
It was disenfranchised on the 1 January 1801 on the coming into force of the Acts of Union 1800 and compensation of £15,000 was paid to the representatives of the Tonson family.
This constituency was the borough of Rathcormack in County Cork.