Henry Richard Yeoville Yardley Thomason (17 July 1826 – 19 July 1901) was an architect in Birmingham, England. He was born in Edinburgh to a Birmingham family. Thomason set up his own practice in Birmingham 1853–54.
Yeoville Thomason was a grandson of Sir Edward Thomason, a silversmith and medallist in Birmingham, and son of Henry Botfield Thomason and Elizabeth Yardley.
He was a pupil of Charles Edge, and after qualifying as an architect he worked for the borough surveyor. He designed the Council House after winning a competition.
As architect to Birmingham, Dudley and District Banking Company he designed several bank buildings in the area.
He retired in 1896. He died in 1901 and is buried in Kensal Green Cemetery.
He designed, amongst others: