Thomas FitzGerald, 2nd Earl of Kildare

Thomas FitzJohn FitzGerald (died 1328), second Earl of Kildare, was the son and heir of the first earl, John FitzThomas. In 1312 he married Joan de Burgh, daughter of the Earl of Ulster. During Edward Bruce's invasion he commanded an army against the Scots in Ulster, until Bruce was defeated and killed in 1318.

He served twice as Lord Justice of Ireland, from 1318 to 1321 and again from 1326 until his death. He died at Maynooth on 9 April 1328, leaving sons Richard and Maurice, who succeeded in turn as earl.