Marjanne Kweksilber (18 January 1944 – 12 May 2008) was a Dutch soprano, who became famous as an interpreter of Neue Musik as well as baroque and renaissance music.
There she collected 350 Jewish songs, which she performed after her return with the Collegium Musicum Iudaïcum in the Netherlands, but also in Germany and Belgium.
In 1976, she was one of the female voices in Louis Andriessen's De Staat and in the same year had a leading role in Jiri Benda's production of Ariadne auf Naxos for the Holland Festival.
With her second husband, the pianist Ludwig Olshansky, she performed a Schubert programme in the Netherlands and the United States.
From her first marriage comes her son David Kweksilber [de], with whom she performed the premiere of Rita Knuistingh Neven's Vier Lieder von Streit und Ablösung written for her in 2001.