Governor of Ilocos Sur

{{Short description|Local chief executive}}

{{Infobox Political post

|post = Governor

|body = Ilocos Sur

|insignia =

|insigniasize =

|insigniacaption =

|image = Governor-elect Jeremias Singson holding the key of the province of Ilocos Sur.jpg

|incumbent = Jerry Singson

|incumbentsince = June 30, 2022

|style =

|residence = Ilocos Sur Provincial Capitol

|appointer =

|termlength = 3 years

|formation = 1818 (Spanish era), 1901 (American era)

|succession =

|inaugural = Mena Crisologo

|website =

}}

The governor of Ilocos Sur ({{langx|fil|Punong Panlalawigan ng Ilocos Sur}}), is the chief executive of the provincial government of Ilocos Sur.