Tre Hargett (born February 7, 1969) is an American Republican Party politician who is serving as the 37th Secretary of State of Tennessee since 2009.

At the time of his appointment as TRA chairman, Hargett was serving as the corporation's Vice President for the Southern Region.

In 2007, he was nominated to the position of Tennessee Regulatory Authority (TRA) chairman, which sets the rates and service standards of privately owned telephone, natural gas, electric and water utilities.

In 2020, during the COVID-19 pandemic in Tennessee, Hargett opposed allowing voters who fear catching or spreading the coronavirus to vote by mail in the 2020 elections.

Hargett voted in favor of removing the Forrest bust, as well as those of U.S. Admirals David Farragut and Albert Gleaves.