Thomas Nugent, 4th Earl of Westmeath (1669 - 30 June 1752) was an Irish soldier and peer. He was the second son of Christopher Nugent, Lord Delvin and Mary Butler, daughter of Colonel Richard Butler. He was likely the resident of Coolamber Hall House. Nugent served in the Irish army of James II as a Colonel of Foot, being outlawed by William III on 11 May 1691. He fought at the Siege of Limerick (1690)/Siege of Limerick (1691) while commanding a regiment of cavalry. His outlawry was reversed in 1697. Like nearly all the family he was a Roman Catholic.