Saint Austregisilus (Outril(le), Aoustrille) (died 624) was bishop of Bourges from 612 to 624.

A native of Bourges, he was educated as a courtier, he became an attendant at the Court of King Gontram at Chalon-sur-Saône.

[3] However, Austregisilus wanted to become a monk and entered the abbey of Saint-Nizier at Lyon, where he became abbot.

Saint Amand studied under him.

[4] The villages of Saint-Outrille and Saint-Aoustrille are named after him.