Ralph Ashley, SJ (died 7 April 1606) was an English Jesuit lay brother who became involved with the aftermath of the Gunpowder Plot.

[1] He fell in with Father Tesimond (Greenway), who eulogizes the courage he had displayed among the Dutch, by whom he had been captured during his journey.

In afternoon before the search at Hindlip on 20 January 1606, he saw Garnet and Oldcorne alias Hall in the gallery.

[4] He was ultimately remanded with Oldcorne to Worcester, where they were tried, condemned and executed together at Red Hill.

It is said that as Oldcorne waited on the ladder to die, Ashley kissed his feet and said, "“What a happy man am I to follow the steps of my Father unto death.