Sir Giles Estcourt, 1st Baronet (c. 1601 – 1668) was an English politician who sat in the House of Commons from 1628 to 1629.
He matriculated at Wadham College, Oxford on 8 May 1618, aged 17, and entered Lincoln's Inn in 1618.
[3] Estcourt married Anne Nordaunt daughter of Sir Robert Mordaunt, 2nd Baronet of Massingham Parva, Norfolk.
[4] He was succeeded in the baronetcy by his son Giles who was killed in duel in Italy.
Estcourt's son William then succeeded but when he was killed in a pub brawl the baronetcy became extinct.