Sir Tristram Beresford, 1st Baronet

Sir Tristram Beresford, 1st Baronet (died 15 January 1673) was an Anglo-Irish soldier and politician. He was the ancestor of the Marquesses of Waterford, the Barons Decies and the Beresford baronets, of William Beresford, 1st Viscount Beresford and Charles Beresford, 1st Baron Beresford.

Early life He was the eldest son of Tristram Beresford, who had originated from Kent and settled in Ireland, and his wife Susannah Brooke. After her death Beresford married Sarah Sackville, whose parents names are uncertain. He was succeeded in the baronetcy by his oldest son Randal.