Saint Giles (, ; ; ; 650 AD – 710), also known as Giles the Hermit, was a Greek Christian hermit saint from Athens, whose legend is centered in Provence and Septimania. The tomb in the abbey Giles was said to have founded, in Saint-Gilles-du-Gard, became a place of pilgrimage and a stop on the road that led from Arles to Santiago de Compostela, the pilgrim Way of St. James. He is one of the Fourteen Holy Helpers.

Saint Giles, St Giles, or St Giles' may refer to:

• Saint Giles, a 7th-8th century Christian hermit saint
• Saint Giles (Italy) (Sant'Egidio) an Italian hermit of the 10th century
• Blessed Giles (d. ca. 1203), a Cistercian abbot of Castaneda in the Diocese of Astorga, Spain
• Blessed Giles, another form of Blessed Aegidius of Assisi (died 1262)