John Foster-Skeffington, 10th Viscount Massereene KP (30 November 1812 – 28 April 1863) was an Irish peer and poet.
He was appointed a Knight of the Order of St Patrick on 3 July 1851.
[1] He was the first Lieutenant-Colonel Commandant of the Antrim Militia Artillery when it was raised at Carrickfergus Castle in November 1854.
[2][3] On 1 August 1835 he married Olivia Grady, with whom he had four sons and four daughters.
He was succeeded in his titles by his eldest son, Clotworthy Skeffington.