Frida Kempff (born 1977) is a Swedish filmmaker best known for the 2021 psychological thriller film Knocking.

The short won the Prix du Jury at the 2010 Cannes Film Festival.

[5][6] In 2015, Kempff's feature-length debut, Winter Buoy, premiered at that year's Gothenburg Film Festival.

The documentary highlighted a public health program in Toronto supporting at-risk pregnant women.

[7] Kempff next directed two more fictional short films: Dear Kid (2016), about a mother who suspects a swimming coach is abusing one of his pupils, and Wolf (2017), about a young woman who encounters a wolf that threatens her family's sheep.