Irdyn () is a rural settlement in Cherkasy Raion, Cherkasy Oblast, central Ukraine. Population:
The settlement belongs to Bilozirya rural hromada, with the administration in the selo of Bilozirya.
Urban-type settlement was founded in 1930.
Until 26 January 2024, Irdyn was designated urban-type settlement. On this day, a new law entered into force which abolished this status, and Irdyn became a rural settlement.
In January 1989, the population was 1357 people.
In January 2013, the population was 865 people.
Distribution of the population by native language according to the 2001 census: