Mariella Lotti (born Maria Camilla Pianotti; 17 November 1919 – 18 December 2004) was an Italian film actress.

Lotti made her film debut in 1939, and played leading ladies in a number of Fascist era and post-war films.

She was one of many actors employed on the anthology film The Ten Commandments, made following the overthrow of Benito Mussolini.

During the war she was involved in a passionate love story with King Michael of Romania.

This article about an Italian actor or actress is a stub.