The 2021 Aurora Borealis Cup playoffs or the 2021 Naisten Liiga playoffs (Finnish: Naisten Liiga pudotuspelit 2021) was the playoff tournament of the 2020–21 Naisten Liiga season. The Naisten Liiga playoffs began on 3 March and the Aurora Borealis Cup was awarded to Kiekko-Espoo, the 38th Finnish Champion in women's ice hockey, on 25 March.