- MacDONALD, George
- MacDONALD, John D.
- MacINTYRE, F. Gwynplaine
- MACLAY, John
- MacLEOD, Ian R.
- MacLEOD, Kenneth
- MACK, David
- MĽCZKA, Aleksandra
- MADDOX, Tom
- MADSEN, Svend Åge
- MAHANĚNKO, V.
- MAHY, Margaret
- MAJEROVÁ, Diana
- MALAGUTI, Ugo
- MALARTRE, Elisabeth
- MALENKY, Barbara
- MALENJEV, Vladimir (nesprávný přepis jména Vitalije Melenjeva)
- MALERMAN, Josh
- MALIK, Usman T.
- MALINOWSKI, Krzysztof W.
- MALLETTE, Mose
- MALLORY, Michael
- MALZBERG, Barry N.
- MAMATAS, Nick
- MAMMAY, Michael
- MANDALA, Julia S.
- MANGELS, Andy
- MARANO, Michael
- MARCO, John
- MARCUS, Daniel
- MARININ, Ernest
- MARLEY, Louise
- MARMELL, Ari
- MARSHALL, Archibald
- MARSTON, Ann
- MARTELL, Nick
- MÅRTENSSON, Bertil
- MARTIN, Gail Z.
- MARTIN, George R. R.
- MARTIN, Les
- MARTIN, Marcia
- MARTIN, Michael A.
- MARTÍN MORALES, Antonio
- MARTINE, Arkady
- MARTYNOV, Georgij
- MARUSEK, David
- MASON, Lisa
- MASTERTON, Graham
- MATER, Barbara
- MATHESON, Richard
- MATHESON, Richard Christian
- MATTER, Holly Wade
- MATTHEWS, Patricia
- MATTINGLY, Robert
- MAXIMOV, German
- MAXIMOVIČ, Gennadij
- MAY, Julian
- MAYER, Bob
- MAYHAR, Ardath
- McALLISTER, Bruce
- McARTHUR, Maxine
- McAULEY, Paul J.
- McBRIDE, D. R.
- McBRIDE, Sally
- McCAFFREY, Anne
- McCAMMON, Robert R.
- McCARRON, Meghan
- McCARTHY, Cormac
- McCARTHY, Shawna
- McCLELLAN, Brian
- McCORMACK, Ford
- McCORMACK, Una
- McDAID, John G.
- McDEVITT, Jack
- McDONALD, Ed
- McDONALD, Ian
- McDONALD, Sandra
- McDOWELL, Ian
- McEWAN, Ian
- McGRATH, Patrick
- McGUIRE, Seanan
- McHUGH, Maureen F.
- McILVEEN, John
- McINTOSH, Fiona
- McINTOSH, Neil
- McINTOSH, Will
- McINTYRE, Vonda N.
- McKENNA, Juliet E.
- McKENNA, Richard
- McKIERNAN, Dennis L.
- McKILLIP, Patricia A.
- McKINLEY, Robin
- McKNIGHT, Reginald
- McLAREN, Malcolm
- McLAUGHLIN, Cooper
- McLEOD, Patrick
- McMAHAN, Rick
- McMAHON, Gary
- McMULLEN, Sean
- McNEILL, Graham
- McQUAY, Mike
- MEANEY, John
- MEEK, S. P.
- MEHROTRA, Rati
- MEJEROV, Alexandr
- MELENJEV, Vitalij
- MELKO, Paul
- MELKONJAN, Agop
- MELLICK III, Carlton
- MELNIKOV, Anatolij
- MELNIKOV, Gennadij
- MELZER, Andreas
- MENON, Anil
- MERCIEL, Liane
- MERLE, Robert
- MERRIL, Judith
- MERRITT, Abraham
- MERZ, Jon F.
- MESTA, Gabriel
- METZNER, Gunter
- MEYNARD, Yves
- MEZRICH, Ben
- MIÉVILLE, China
- MIGNOLA, Mike
- MICHAJLOV, Vladimir
- MICHANOVSKIJ, Vladimir
- MICHEJEV, Michail
- MILLER, John Jackson
- MILLER, Rex
- MILLER, Sam J.
- MILLER, Walter M., Jr.
- MILLS, Samantha
- MILLWARD, Andras
- MILOSEVIC, Mario
- MINICHOVÁ, Zuzana
- MINTON, Jeremy
- MIRABELLI, Eugene
- MIRER, Alexandr
- MITCHELL, Edward Page
- MITCHELL, Sandy
- MITCHELL, Victor
- MÖCKEL, Klaus
- MODESITT, L. E., Jr.
- MOFFAT, Alistair
- MOFFETT, Judith
- MOGILEVCEV, Sergej
- MOLES, David
- MOLNÁROVÁ DUBCOVÁ, Ivana
- MONETTE, Sarah
- MONTANA, R. A.
- MONTELEONE, Thomas F.
- MOODY, Rick
- MOODY, Susan
- MOON, Elizabeth
- MOORCOCK, Michael
- MOORE, Allan
- MOORE, Catherine L.
- MOORE, John
- MOORE, Roger E.
- MOORE, Ward
- MORAN, Daniel Keys
- MOREN, Dan
- MORENO, Eloy
- MORENO-GARCIA, Silvia
- MORGAN, Cynthia
- MORGAN, Edwin
- MORGAN, Maresa
- MORGAN, Richard K.
- MORLAN, A. R.
- MORRELL, David
- MORRESSY, John
- MORRIS, Chris
- MORRIS, Janet
- MORRISON, Grant
- MORRISON, William
- MORROW, James
- MUIR, Tamsyn
- MULFORD, A. K.
- MURILL, Ray W.
- MURPHY, Pat
- MURRAY, Andrew Hunter
- MURRAY, Doug
- MURRAY, Frieda A.
- MUSA, Gilda
- MYHRE, Øyvind