Mario Mary has received awards at the following contests
- Concorso Internazionale di Composizione Elettronica Pierre Schaeffer, Pescara (Italy): 1998, 2003
- Concorso internazionale Luigi Russolo di musica elettroacustica, Varèse (Italy): 1994
- Concours biennal de composition acousmatique Métamorphoses, Ohain (Belgium): 2010
-
Concours international de composition électroacoustique Klang
! , Montpellier (Hérault, France): 2019 - Concours international de la musique électroacoustique SIME, Lille (Nord, France): 2017
- Concours international de musique électroacoustique de Bourges, Bourges (Cher, France): 2002, 2003
- Concurso de Composición Electroacústica Destellos, Mar del Plata (Argentina): 2013
- Concurso Internacional de Música Eletroacústica de São Paulo (CIMESP), São Paulo (Brazil): 2003
- Exhibitronic, Strasbourg (Bas-Rhin, France): 2016
- MA/IN Matera Intermedia Competition, Matera (Italy): 2016, 2023
- Musica Nova International Competition of Electroacoustic Music, Prague (Czech Republic): 2002, 2005, 2014, 2016
- Música Viva — Concurso Internacional de Composição Electroacústica, Parede (Portugal): 2011
- Prix CIME: 2019, 2023