Warinus of Poitiers (also Warin, Guerin, Gerinus, Varinus; died 677 AD) was the Franco-Burgundian Count of Poitiers and Count of Paris.
He opposed Ebroin's efforts to expand Neustrian power and was killed at Arras in 677.
Warinus was born in Autun, Saône-et-Loire, Burgundy, the son of Bodilon, Count of Poitiers and his wife Sigrada of Alsace.
Warinus spent his childhood at the court of Chlothar II.
After Ebroin's victory, Warinus was stoned to death near Arras in 677 AD.