Saintonge may refer to:

• County of Saintonge, a historical province of France on the Atlantic coast
• Saintonge (region), a region of France corresponding to the historical province
• Saintonge ware, a medieval pottery type produced in Saintes region of France from the 13th century

• Saint-Genis-de-Saintonge, a commune in the Charente-Maritime department in southwestern France
• Rue de Saintonge [fr], a street in Marais, Paris' 3rd arrondissement

• Jean-Pierre Saintonge (born 1945), Quebec, Canada educator, lawyer, judge and political figure
• Anne de Xainctonge or de Saintonge (1567–1621), founder of the Society of the Sisters of Saint Ursula of the Blessed Virgin, the first non-cloistered women's religious community

• Saintongese, people from Saintonge, an area in western France
• Saintonge Regiment, infantry regiments of France
• Saintonge War, a feudal dynastic encounter that occurred in 1242 and 1243 between forces of Louis IX of France, Alphonse of Poiters and those of Henry III of England, Hugh X of Lusignan, and Raymond VII of Toulouse

• Saintongeais dialect
• Saintongese (disambiguation)
• St. Onge (disambiguation)
• Onge (disambiguation)