Viscount Monck, of Ballytrammon in the County of Wexford, is a title in the Peerage of Ireland.
He had already been created Baron Monck, of Ballytrammon in the County of Wexford, in 1797, also in the Peerage of Ireland.
His eldest son, the second Viscount, was in 1822 created Earl of Rathdowne in the Peerage of Ireland.
In 1866, he was given the title Baron Monck, of Ballytrammon in the County of Wexford, in the Peerage of the United Kingdom.
George Stanley Monck (born 1957) The next and last in line to the titles is the present holder's youngest brother, the Hon.