- Mazurók Yuri, Soloist, Baritone
- Mazzaria Lucia, Soloist, Soprano
- Mazzolà Caterino, Librettist
- Mazzola-Gavasteni Denia, Soloist, Soprano
- Mazzolli Ferruccio, Soloist, Bass
- Mazzoni Paolo, Lighting Designer
- Mazzucchelli Fausta, Choreographer
- McCafferty Frances, Soloist, Mezzo-Soprano
- McCracken James, Soloist, Tenor
- McLellan Kenny, Set Designer, Costume Designer
- McVicar David, Director, Set designer
- Meditz Gert, Conductor
- Meggoula P., Soloist
- Megklis Konstantinos, GNO Chorus Member, Bass
- Meilhac Henri, Librettist
- Mejikov(Papadakis) Giannis, Painter, Set Designer, Costume Designer
- Mela Penny, Principal Dancer
- Melachrinou Maria, Musician, Singer
- Melchert Helmut, Soloist, Tenor
- Meliciani Carlo, Soloist, Baritone
- Melnychenko Tatiana, Soloist, Soprano
- Melogiannidis Dionisios, Soloist, Tenor
- Melogiannidis Giorgos, Dancer, Choreographer
- Members of the Greek National Opera Ballet
- Menasci Guido, Librettist
- Mendis Aggelos, Set Designer, Costume Designer, Director
- Menippo Carlo, Soloist, Tenor
- Menotti Gian Carlo, Composer
- Meredith Jo, Movement Director
- Merighi Giorgio, Soloist, Tenor
- Merlini Marco, Movement
- Méry Joseph, Librettist
- Messini Lito, Soloist, Soprano
- Metalli Sergio, Projection Designer
- Metaxaki Evmorfia, Soloist, Soprano
- Metaxas-Mariatos Andreas, Soloist, Baritone
- Metaxopoulos Fotis, Dancer, Choreographer, Dance Instructor
- Metin Isin, Conductor
- Metsis-Vakoulis Giannis, Dancer, Choreographer
- Michaels-Moore Anthony, Soloist, Baritone
- Michailidis Myron, Conductor
- Michailidis Yorgos, Director
- Michailidou Sophia, Soloist, Soprano
- Michailov Zvetan, Soloist, Tenor
- Michalopoulou Eleni, Soloist
- Micheli Francesco, Director
- Michelidaki Anna, Soloist, Soprano
- Mihailidis Kostis, Director
- Mihalopoulos Efthimios, Soloist, Baritone
- Mikroutsikou Cecil, Dancer, Choreographer, Director
- 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748