Argenis Chávez Frías (born 3 July 1958) is a Venezuelan politician who currently serves as Governor of Barinas state since 2017.
He is one of the brothers of the former Venezuelan president, Hugo Chávez.
He was secretary of the Barinas state government when his father, Hugo de los Reyes Chávez, was the governor from 1998 to 2008.
In 2011, he was appointed Vice Minister of Electrical Development of the Ministry of Popular Power for Electric Power.