Dandelion Dead is the title of a British TV mini-series produced in 1994, telling the true story of Herbert Rowse Armstrong, a practising solicitor in the provincial town of Hay-on-Wye, Wales, who was convicted and hanged in May 1922 for the murder of his wife and the attempted murder of a fellow solicitor and business rival, Mr. Oswald Martin.

The series starred Michael Kitchen as Major Armstrong, Sarah Miles as Catherine Armstrong, David Thewlis as Oswald Martin and Lesley Sharp as Martin's wife. It was directed by Mike Hodges and won a BAFTA in 1995. As well as telling the main story of Major Armstrong's crimes, the series develops the courtship of Martin and his wife and shows the effects of events on Armstrong's children.