The current mayor is Stefano Bandecchi, a member of the centrist party Popular Alternative, who took office on 31 May 2023.

[1] According to the Italian Constitution, the mayor of Terni is member of the city council.

The mayor is elected by the population of Terni, who also elect the members of the city council, controlling the mayor's policy guidelines and is able to enforce his resignation by a motion of no confidence.

The mayor is entitled to appoint and release the members of his government.

[2] Since 1993, under provisions of new local administration law, the mayor of Terni is chosen by direct election.