Mariella Adani (born December 17, 1934) is an Italian classical soprano who had an active career in operas, concerts, and recitals from the 1950s through the 1980s.
She has sung under the musical direction of Vittorio Gui, Carlo Maria Giulini, Nino Sanzogno, Oliviero De Fabritiis, and Peter Maag and under the directors Sandro Bolchi, Franco Zeffirelli Luchino Visconti, and Walter Felsenstein.
She studied voice at the Parma Conservatory with Ettore Campogalliani and at the L'Accademia di La Scala with Giulio Confalonieri.
That same year she made her debut at the Teatro della Piccola Scala as Sofia in Riccardo Malipiero's La donna è mobile.
Some of her portrayals at that festival included Despina in Così fan tutte, Papagena in The Magic Flute, Susanna in Le Nozze di Figaro, and Zerlina.