List of number-one albums of 2020 (Ireland)

The following is a list of albums that reached the number-one position on the Irish Albums Chart in 2020. The charts are compiled by the Official Charts Company (OCC) on behalf of the Irish Recorded Music Association (IRMA). The chart week runs from Friday to Thursday, and the new number-one is announced every Friday. The list includes the artist, album title, and the date the album reached the top spot.