Baron Gábor Esterházy de Galántha (8 October 1580 – 28 December 1626) was a Hungarian noble, son of Vice-ispán (Viscount; vicecomes) of Pozsony County Ferenc Esterházy.
[1] His brother was, among others, Nikolaus, Count Esterházy who served as Palatine of Hungary.
[2] Gábor Esterházy married twice: his first wife was Anna Ujfalussy de Divékujfalu after 1612.
One year later Gábor married to Mária Dersffy de Szerdahely.
Mária's sister, Orsolya was the first wife of Nikolaus, Count Esterházy, Gábor's brother.