Maria Elisabetta Alberti, known by her married name as Maria Elisabetta Alberti Casellati, is an Italian lawyer and politician, serving as Minister fo Institutional Reforms since 2022. She was President of the Italian Senate from 2018 to 2022. She was the first woman ever to have held this position. Casellati is a long-time member of the liberal-conservative party Forza Italia and served as Undersecretary of Health and Justice in previous governments. In 2022, she was nominated as candidate for President of Italy by the centre-right coalition.

The minister for institutional reforms is one of the positions in the Italian government.