The current mayor is Andrea Lutzu, a member of the centre-right party Forza Italia, who took office on 26 June 2017.

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

The mayor is elected by the population of Oristano, who also elects 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.

Since 1994, under provisions of new local administration law, the Mayor of Oristano is chosen by direct election.