| Messidor / Sociales | | 14 |
| Mesures | France | 9 |
| Métagraphes | | 2 |
| Métailié | France | 774 |
| Métailié / Seuil | France | 9 |
| Métal | France | 3 |
| Metal Blonde Books | Etats-Unis | 11 |
| Metatext | France | 1 |
| Météores | Belgique | 5 |
| Methuen | Angleterre | 31 |
| Métis Presses | Suisse | 6 |
| Metro Beach | France | 1 |
| Métro Éditions Internationales | France | 4 |
| Métropolis | Suisse | 18 |
| Metropolitan Museum of Art | | 2 |
| Meulenhoff | Pays-Bas | 0 |
| Meulenhoffeducatief | Pays-Bas | 1 |
| Meunier Bernadette | France | 6 |
| Mézigue | France | 1 |
| MF | France | 7 |
| Mfg Creations | | 3 |
| MGD | France | 2 |
| Mialet Barrault | France | 40 |
| Mic mac | France | 77 |
| Michael Joseph | Angleterre | 76 |
| Michael O'Mara Books | France | 42 |
| Michael Slomczynski | | 1 |
| Michael Walmer | | 1 |
| Michael Wiese Productions | France | 4 |
| Michalon | France | 126 |
| Michel Aveline | France | 2 |
| Michel Brûlé | Canada | 32 |
| Michel de L'ormeraie | France | 4 |
| Michel de Maule | France | 15 |
| Michel Deligne | France | 11 |
| Michel Houdiard | | 5 |
| Michel Lafon | France | 2995 |
| Michel Lafon / Carrere | | 2 |
| Michel Lafon / Casterman | | 8 |
| Michel Lafon / Jungle ! | | 7 |
| Michel Lafon / Paul Ferel | France | 2 |
| Michel Langevin | | 7 |
| Michel Levy | France | 2 |
| Michel Quintin | Canada | 254 |
| Michel Vincent | France | 10 |
| Michèle | France | 3 |
| Michelin | France | 45 |
| Michi | France | 6 |
| Micro Application | France | 3 |
| Micro Magazine Publishing | Japon | 1 |
| Microcosm Publishing | Etats-Unis | 2 |
| Microsoft Press | Etats-Unis | 4 |
| Midgard | France | 25 |
| Midi Trente | | 20 |
| Midi-Pyrénéennes | France | 2 |
| Midnight classics | France | 2 |
| Midnight Ink | France | 7 |
| Midnight Tide Publishing | | 13 |
| Miette | France | 2 |
| Miguel Sánchez | | 4 |
| Mijade | France | 414 |
| Miklo | | 1 |
| Mila | France | 14 |
| Milady | France | 4353 |
| Milan | France | 2326 |
| Milathéa | France | 5 |
| Miles Kelly Publishing | Angleterre | 8 |
| Milgrana | France | 1 |
| Militos | Grèce | 1 |
| Milkweed | | 9 |
| Milky Way | Espagne | 3 |
| Mille et une histoires | France | 1 |
| Mille et une nuits | France | 436 |
| Mille et une vies | | 5 |
| Mille fleurs | | 4 |
| Mille Plumes | France | 3 |
| Mille regards | | 1 |
| Mille-Îles | France | 3 |
| Millefeuille | France | 22 |
| Millefleurs | France | 1 |
| Millenium | France | 5 |
| Millepages | France | 20 |
| Millepertuis | France | 3 |
| Millepertuis | France | 0 |
| Millon | France | 1 |
| Mills & Boon | France | 27 |
| Mima | Suède | 9 |
| Mimésis | | 7 |
| Mindset | | 1 |
| Minedition | France | 150 |
| Minedition | France | 2 |
| Minéplum' | | 4 |
| Minerva | France | 30 |
| Minerve | France | 11 |
| Mines de Rien | | 2 |
| Mineur | France | 2 |
| Ming Books | | 5 |
| Ministère de l'Education Nationale | France | 21 |
| Ministère de la culture et de la communication | France | 8 |
| Ministère Multilingue International | Canada | 12 |
