Chiesa was first called-up to the Italy U19 squad in 2015. He was selected as part of Paolo Vanoli's preliminary 27-man squad for the 2016 UEFA Euro Under-19 Championship in Germany. Chiesa played for Italy U19 in friendlies against the Czech Republic, Spain and France. In 2016, he was called-up by Alberigo Evani to the U20s to represent the side at the 2015–16 Under-20 Four Nations Tournament.
