The 2009–10 AL-Bank Ligaen season was the 53rd season of ice hockey in Denmark. Nine teams participated in the league, and SønderjyskE Ishockey won the championship.
| Quarterfinals
| | | Semifinals
| | | Final
| |
| | | | | | | | | | | | | | |
| 1
| SønderjyskE Ishockey
| 4
| | | |
|
| 7
| Nordsjælland Cobras
| 1
| |
| | 1
| SønderjyskE Ishockey
| 4
| |
|
| |
| | | 3
| Frederikshavn White Hawks
| 0
| |
| 3
| Frederikshavn White Hawks
| 4
| |
| |
| 6
| Rødovre Mighty Bulls
| 3
| |
| | 1
| SønderjyskE Ishockey
| 4
| |
|
| |
| | | 2
| AaB Ishockey
| 0
| |
| 2
| AaB Ishockey
| 4
| | |
|
| 8
| Hvidovre Ligahockey
| 1
| |
| | 2
| AaB Ishockey
| 4
| | | Third place
|
|
| |
| | | 5
| Herning Blue Fox
| 1
| |
| 4
| EfB Ishockey
| 1
| | | 3
| Frederikshavn White Hawks
| 0
|
| |
| 5
| Herning Blue Fox
| 4
| | | 5
| Herning Blue Fox
| 2
|
