- Maranatha! Praise Band -- Marc Bischoff
- Marc Black -- Marc Gunn & the Dubliner's Tabby Cats
- Marc Hades -- Marc Mooga
- Marc Mooga -- Marc Thió
- Marc Thomas -- Marcel Lanquetuit
- Marcel Lecomte -- Marcello Giordano
- Marcello Giuliani -- March Into the Sea
- March Maniacs -- Marcin Bronikowski
- Marcin Czubala -- marco carisma
- Marco Carola -- Marco Missinato
- Marco Montana -- Marcos
- Marcos Adam -- Marcus Dawson
- Marcus Day -- Marcus Smith
- Marcus Sommer -- Marek Swatowski
- Marek Tomaszewski -- Margaret McCartney
- Margaret McClure -- Marge/Moe/Bart/Lisa
- Marge Piercy -- Margret Brill
- Margret Hjalmarsdottir -- Maria Anna Madersbacher
- Maria Anthony -- Maria del Mar Moreno
- María del Monte -- Maria Jimena Pereyra
- María Jiménez -- Maria Mucke
- Maria Mucke & Das Comedian Quartett -- Maria Verano
- Maria Veronica -- Mariachi Tecolotes
- Mariachi Torales -- Mariann