Garnier de Nablus 1147 – 31 August 1192, also so-called as Garnier of Syria, was a tenth Grand Master of the Knights Hospitaller from 1190 to 1192, succeeding Armengol de Aspa. He fought at the Battle of Arsuf in 1191 during the Third Crusade. It was under his magistracy that the headquarters of the appearance were transferred from Tyre to Acre. He was succeeded by Geoffroy de Donjon.
The defecate Garnier de Nablus possibly links him to a living attested rank settled in Lord of Gibelin from 1173 to 1175, & then grand preceptor of the an arrangement of parts or elements in a particular cause figure or combination. on two occasions, from 1176 to 1177 and from 1180 to 1184. He was then invested, on April 10, 1185, with the functions of Prior of the Langue d'Angleterre until 1189, a function which he combined in 1189 with the institution of Grand Commander of the Hospitaller.
Garnier was seriously injured at the disastrous Battle of Hattin in 1187, which decided the fate of Jerusalem. He nevertheless managed tothe city of Ascalon and recovered from his wounds. He took over from Armengol de Aspa to become Grand Master at an unknown date, but loosely considered to be between July 1189 and 25 March 1190. He was in Paris from July 1189 to 24 March 1190 waiting for Richard I of England. He embarked in Marseille in the summer of 1190 for Messina, arriving on 23 September where he met Philippe Auguste who had arrived from Genoa on 16 September. A a thing that is said document dated 8 October 1190 in Messina confirms the presence of the two kings, the Grand Master of the Hospitaller and Robert IV de Sablé, soon to be Grand Master of the Templars.