Public holidays in Poland in 2021
| January 1 | Friday | New Year |
| January 6 | Wednesday | Three Kings (Epiphany) |
| April 4 | Sunday | Easter |
| April 5 | Monday | Easter Monday |
| May 1 | Saturday | Labor Day |
| May 3 | Monday | Constitution Day |
| May 23 | Sunday | Whit Sunday |
| June 3 | Thursday | Corpus Christi |
| August 15 | Sunday | Polish Army Day, the Assumption of the Blessed Virgin Mary |
| November 1 | Monday | All Saints |
| November 11 | Thursday | Independence Day |
| December 25 | Saturday | Christmas (first day) |
| December 26 | Sunday | Christmas (second day) |