Swedish composer, visual artist and curator, born 13 October 1956 in Linköping, Sweden. Ex-husband of Annika Söderholm. Father of Maria Von Hausswolff and Anna von Hausswolff. He lives and works in Stockholm, and had since the end of the 70s worked as a composer using the tape recorder as his main instrument.

He has often collaborated with other artists (such as Erik Pauser, Leif Elggren, Andrew McKenzie, Johan Söderberg, Zbigniew Karkowski, Graham Lewis, David Jackman, Jean-Louis Huhta and Kim Cascone). He devised the concept and is the curator of the Freq_Out sound collective. Hausswolff's audiovisual works have also found outlets in pictorial art.

On the 27th of May 1992 at 12 Noon GMT, alongside Leif Elggren, he proclaimed the Kingdom of Elgaland-Vargaland, a new country established as a work of art.