Baron Rathcavan, of The Braid in the County of Antrim, is a title in the Peerage of the United Kingdom.
[1] It was created on 11 February 1953 for the Unionist politician Sir Hugh O'Neill, 1st Baronet.
As of 2014[update] the titles are held by his son, the third Baron, who succeeded in 1994.
The Honourable Sir Con O'Neill, second son of the first Baron, was a diplomat.
The family seat is Cleggan Lodge, near Ballymena, County Antrim.