The best selling album in 2021 in Slovakia was THE BEST OF MIRO ŽBIRKA by MIROSLAV ŽBIRKA.
| Rank | Artist | Album | Released |
| 1 | MIROSLAV ŽBIRKA | THE BEST OF MIRO ŽBIRKA | 2021 |
| 2 | DUA LIPA | FUTURE NOSTALGIA | 2020 |
| 3 | IRON MAIDEN | SENJUTSU | 2021 |
| 4 | ED SHEERAN | = | 2021 |
| 5 | ADELE | 30 | 2021 |
| 6 | THE WEEKND | AFTER HOURS | 2020 |
| 7 | ABBA | VOYAGE | 2021 |
| 8 | JUSTIN BIEBER | JUSTICE | 2021 |
| 9 | OLIVIA RODRIGO | SOUR | 2021 |
| 10 | IMAGINE DRAGONS | MERCURY - ACT 1 | 2021 |
Source: SNS IFPI