Viscount Tracy, of Rathcoole in the County of Dublin, was a title in the Peerage of Ireland.
It was created on 12 January 1643 for Sir John Tracy, previously Member of Parliament for Gloucestershire.
He was made Baron Tracy, of Rathcoole in the County of Dublin, at the same time, also in the Peerage of Ireland.
The latter's second son, Richard Tracy, was granted the Stanway estate in Gloucestershire by his father.
Charles Hanbury assumed the additional surname of Tracy and was elevated to the peerage as Baron Sudeley in 1838.