Colonel Robert Uniacke-FitzGerald (17 March 1751 – 20 December 1814) was an Irish politician. He was the eldest son of Robert Uniacke (afterwards Fitzgerald) of Corkbeg and descended from the Munster Desmond FitzGerald Knights of Glin and Kerry, through Sir Garrett FitzGerald Knt of and Sir of Youghal and . His younger brother was the infamous 1798 United Irish Rebellion Tipperary High Sheriff Col Sir Thomas Judkin-Fitzgerald, 1st Baronet of Lisheen, Co Tipperary. He was educated in the law at the Middle Temple.