Anthony Francis Nugent, 9th Earl of Westmeath, (1 November 1805 – 12 May 1879) was an Irish peer.
He was the son of William Thomas Nugent, 5th Baron Nugent of Riverston and Catherine Bellew of Mount Bellew, County Galway.
On the death of his kinsman, George Nugent, 1st Marquess of Westmeath, he succeeded as the 9th Earl though the marquessate became extinct.
On 5 May 1871, he simultaneously became the 14th Baron Delvin and the 9th Earl of Westmeath.
He married Anne Catherine Daly, a daughter of Malachy Daly of Raford, Kiltullagh, County Galway, and a descendant of Dermot Ó Daly of Killimordaly, County Galway.