Marina Berlusconi (Maria Elvira Berlusconi, born August 10, 1966 in Milan) is an Italian businesswoman, chairwoman of Fininvest Holding and of the Arnoldo Mondadori Editore publishing group. She is the oldest daughter of Italian businessman and politician Silvio Berlusconi and of Carla Elvira Lucia Dall'Oglio, his first wife.
Marina Berlusconi holds several positions in her father's media empire. She is chairman of Italy's largest magazine publisher, Mondadori, and chairman of the family's investment arm, Fininvest, the media holding company founded by her father some fifty years ago.
In 2007, Forbes magazine named her as the 33rd most powerful woman in the world.