Deva Dassy (born Marie-Anne Lambert; 26 August 1911 – 11 March 2016) was a French mezzo-soprano, active in opera and operetta in France from the 1930s to the 1960s who made many radio and studio recordings.

Among her creations at the Salle Favart were Inès in Frasquita (1932), Violette in Le Roi bossu by Elsa Barraine, a servant in Tarass Boulba.

[8] In 1934 her performances in Nice brought forward the comment that her Charlotte confirmed her early promise to be a star of the French lyric stage, with her warm and sensitive voice.

After the war she became a frequent participant in the programme of the Service lyrique de l'ORTF making radio broadcasts of light operas,[5] and up to 1963 took part in Rhodope (Ganne) 1962, No, no, Nanette 1954, Dix-neuf ans (Pascal Bastia) 1963 and Lady Poum (Die erste Beste, Oscar Straus) 1963, among others.

[15] In 1940 she was one of the passengers on the ocean liner the Massilia with her partner Georges Mandel which transported members of the defeated French government and their families into exile.