Valya Harkonnen

Valya Harkonnen
Dune: Prophecy character
Emily Watson in the 2024 television series
First appearance	Sisterhood of Dune 2012
Created by	Brian Herbert & Kevin J. Anderson
Portrayed by	Emily Watson Jessica Barden (young)
In-universe information
Species	Human
Gender	Female
Title	Reverend Mother
Occupation	Leader of the Sisterhood
Affiliation	Bene Gesserit
Relatives	Tula Harkonnen (sister) Harrow Harkonnen Novels: Griffin Harkonnen (brother) Danvis Harkonnen (brother) Vergyl Harkonnen (father) Sonya Harkonnen (mother) Weller Harkonnen (uncle) Dirdos Harkonnen (grandfather) Abulurd Harkonnen (great-grandfather)

Valya Harkonnen is a fictional character in the 2024 HBO science fiction television series Dune: Prophecy, portrayed by Emily Watson. She is the leader of the Sisterhood, a secretive and powerful matriarchal order whose members undergo intense physical training and mental conditioning to obtain superhuman abilities. Set in Frank Herbert's Dune universe, ten thousand years before the events of his 1965 novel Dune, the series follows Valya and her sister, Tula Harkonnen (Olivia Williams), as they combat forces that threaten humanity's future, and shape the Sisterhood's evolution into the Bene Gesserit order.

Valya first appears in the Great Schools of Dune (2012–2016) prequel trilogy of novels by Brian Herbert and Kevin J. Anderson.