Ashley Thomas is a fictional character from the British soap opera Emmerdale, played by John Middleton. He made his first screen appearance during the episode broadcast on 5 December 1996. It was announced on 22 October 2015 that Middleton would be departing as Ashley at the end of his contract after the character was diagnosed with vascular dementia in the episode aired on that day. The contract was later extended in order for the storyline to be extended. It was revealed that Ashley would be killed off at the end of the storyline. Middleton filmed his final scenes in March 2017 after his contract ended, and Ashley died on-screen on 7 April 2017, ending his 21 years on Emmerdale. Ashley appeared in further episodes in home movie scenes, making his final appearance on 13 February 2018.

Emmerdale is a British television soap opera that is broadcast on ITV. The show is set in Emmerdale, a fictional village in the Yorkshire Dales. Created by Kevin Laffan, Emmerdale Farm was first broadcast on 16 October 1972. Interior scenes have been filmed at the Leeds Studios since its inception. Exterior scenes were first filmed in Arncliffe in Littondale, and the series may have taken its name from Amerdale, an ancient name of Littondale. Exterior scenes were later shot at Esholt, but are now shot at a purpose-built set on the Harewood estate.