Senators for life in Italy (; ; ) are members of the Italian Senate who are either appointed by the President of the Italian Republic "for outstanding patriotic merits in the social, scientific, artistic or literary field" or are former presidents and thus senators for life ex officio. A maximum of five appointed senators for life can be in office at the same time.
Every Italian president has made at least one appointment of a senator for life, with the exception of Oscar Luigi Scalfaro (since in his term there were more than five) and inaugural officeholder Enrico De Nicola (whose provisional mandate only lasted two years). The president who appointed the highest number of senators for life was Luigi Einaudi, who made eight appointments during his term. Of the incumbent senators President Giorgio Napolitano appointed professor Mario Monti on 9 November 2011, and researcher Elena Cattaneo, architect Renzo Piano and Nobel-laureate physicist Carlo Rubbia on 30 August 2013; President Sergio Mattarella appointed Holocaust survivor Liliana Segre on 19 January 2018.
Senators for life can decide not to be part of any parliamentary group, as opposed to elected senators who, if not affiliated with any specific political movement, automatically become members of the Mixed Group. only four women have been nominated senators for life in Italy, namely politician Camilla Ravera, Nobel-laureate neurobiologist Rita Levi-Montalcini and incumbent senators Elena Cattaneo and Liliana Segre.
The Italian Constitution originally provided that the President of the Republic may appoint up to five senators for life. This resulted in a debate whether five was intended to be the maximum overall number of senators for life (restrictive interpretation), or if each president had the ability to appoint up to five senators, regardless of how many had been appointed by their predecessors and were still living (extensive interpretation). The former interpretation enjoyed the support of a majority of scholars until 1984, when President Sandro Pertini and his successor Francesco Cossiga applied the latter interpretation. Subsequent presidents applied varying standards. Oscar Luigi Scalfaro appointed none, in deference to the stricter reading, while both Carlo Azeglio Ciampi and Giorgio Napolitano appointed five each. The 2020 constitutional reform ended the debate by establishing unambiguously a limit of five overall appointed senators.