Louise Viktoria Tolstoy (born Louise Viktoria Kjellberg July 29, 1974 in Sigtuna Municipality, Stockholm County) is a Swedish jazz singer of Russian origin. She is the daughter of Erik Kjellberg, and the great-great-granddaughter of writer Leo Tolstoy. Tolstoy was a housemate in season one of Big Brother in 2000.
She was married to designer Per Holknekt from 2001 until they divorced on March 2008.
- 1994 – Smile, Love and Spices
- 1996 – För Älskad
- 1997 – White Russian
- 2001 – Blame It On My Youth
- 2004 – Shining on You
- 2005 – My Swedish Heart
- 2006 – Pictures Of Me
- 2008 – My Russian Soul
- 2011 – Letters to Herbie
- 2013 – A Moment of Now (with Jacob Karlzon)
She is also featured on other artists' recordings: