Viscount Blesington, in the County of Wicklow, was a title in the Peerage of Ireland.
He was created Baron Boyle, in the County of Wicklow, at the same time, also in the Peerage of Ireland.
However, the titles became extinct on the death of his son, Charles, the second Viscount, on 2 June 1732.
Michael Boyle had established a town in County Wicklow, to which he gave the name of Blessington.
In connection with this town he in 1673 obtained the title of Viscount Blessington for his eldest son, Murrough.