Dianne van Giersbergen (born 3 June 1985 in Liempde) is a Dutch spinto soprano singer-songwriter and vocal coach. She is the founder and frontwoman of Dutch progressive metal band Ex Libris, and she was the vocalist of German symphonic metal band Xandria from 25 October 2013, to 13 September 2017. She is currently on a sabbatical.
She is not related to Dutch singer Anneke van Giersbergen.