List of Famous people named Eustache

Eustache Restout was a French architect, engraver, painter and Premonstratensian canon regular, belonging to the artistic Restout dynasty. At his death he was sub-prior of abbaye Saint-Martin de Mondaye - he had produced the plans on which that monastery was rebuilt and painted several paintings for it. His students included his nephew Jean II Restout.

Eustace I Garnier, also known as Eustace Grenier or Eustace Granarius, was Lord of Caesarea from before 1110, and Lord of Sidon from 1110 to his death. He was a nobleman from the County of Saint-Pol and went to the Holy Land either during the First Crusade or around 1100. He became an influential retainer of King Baldwin I of Jerusalem, who granted Caesarea and Sidon to him. After an Artuqid prince captured Baldwin I's successor, Baldwin II, Eustace was elected constable and bailiff in April 1123. Shortly before his death in 1123, he defeated a Fatimid army as the Battle of Yibneh near Ibelin.