- M. Jenkins, T.
- M. Schlesinger, Arthur
- MATCH
- MBE, Dr Beth Mosley
- Ma, Joy
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- Maarleveld, Saskia
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- Macdonald, Hugo
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- Mack, Catherine
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- Magazine, The Editors of O, the Oprah
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- Mahfouz, Naguib
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- Main, Laura
- Maisey, Julie
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- Malerman, Josh
- Malhotra, Reenita
- Maloney, Michael
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- Manfredi, Christine Feddersen
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- Mann, Bruce
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- Manning, Joshua
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- Marber, Brian
- Marc, Sylvain
- March, Mia
- Marcus, Tom
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- Maria, Lisa
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- Marks, Howard
- Marks, Nadia
- Marley, Rita
- Marmion, Jean-Francois
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- Marr, Andrew
- Marriott, Edward
- Marriott, Emma
- Marrs, John
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- Marsh, Beezy
- Marsh, Jean
- Marshall, Andrew G.
- Marshall, Christine
- Marshall, Tony
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- Martin, Anna Maxwell
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- Martin, Glenn
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- Martin, Ruth
- Martin, Tom
- Martine, Arkady
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- Martinez, Maddie
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- Marx, Karl
- Marzano-Lesnevich, Alex
- Masen, Kat T.
- Masini, Beatrice
- Mason, Daniel
- Mason, Richard
- Massey, Anna
- Massey, Chloe
- Massie, Chris
- Massingberd, Hugh
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- Matheson, Tim
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- Matthew, Pete
- Matthews, Airea D.
- Matthews, Arthur
- Matthews, Mel
- Matthews, Michael D.
- Matthews, Spencer
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- Maxwell, Glyn
- Maxwell, Kerry
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- May, Julian
- May, Roger
- May, Sarah
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- Maynard, Frances
- Mazzeo, Michael
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- McCabe, Patrick
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- McGovern, Emily
- McGovern, Steph
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- McGreevy, Rhianna
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- McInerney, Monica
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- McIntyre, Michael
- McKay, Alicia
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- McKenzie, Nicolette
- McKenzie, Paige
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- McKinnon, Hetty Lui
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- McLean, Andrea
- McMahon, Aoife
- McMillen, Kim
- McMonagle, Alan
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- McNicoll, Elle
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- McRae, Hilton
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- McWilliams, David
- Mcgibbon, Robin
- Mead, Adam J.
- Mead, Corey
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- Medcroft, Alan
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- Melville, Herman
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- Messner , Wolfgang
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- Meyer, Marissa
- Meyers, Max
- Mezrich, Ben
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- Middleton, Tuppence
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- Miller, Ben
- Miller, C L
- Miller, Lisa J
- Miller, Liz
- Miller, Rachel Wilkerson
- Mills, Mark
- Mills, Rebecca
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- Milosavljevich, Stefan
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- Mitchell, Emma
- Mitchell, Margaret
- Mitchell, Mike
- Mitchell, Ro
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- Molas, Charlotte
- Moldavsky, Goldy
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- Monbiot, George
- Monger, Billy
- Mongredien, Sue
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- Monroe, Jack
- Montebello, Kivlighan De
- Monteith, David
- Montgomery, David
- Montgomery, Flora
- Montgomery, L. M.
- Moon, Chris
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- Moore, Dr Gareth
- Moore, Dylan
- Moore, Kallie
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- Moore, Sarah
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- Morey, Arthur
- Morgan Jones, Chris
- Morgan, Claire
- Morgan, Eleanor
- Morgan, Gaby
- Morgan, Gaby
- Morgan, Michaela
- Morgan, Sally
- Morgan, Tiffany
- Morgan, Tim
- Moriarty, Jaclyn
- Morimoto, Kenji
- Morimoto, Shoji
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- Morland, Paul
- Morland, Polly
- Morley, Karen
- Morpurgo, Michael
- Morr, Gemma
- Morris, Alex W.
- Morris, Cassandra
- Morris, Errol
- Morris, Jonathan
- Morris, Martha Clare
- Morrison, J.B.
- Morrison, James
- Morrison, Robbie
- Morrissey, Di
- Morsey, Sara
- Mortimer, Maddie
- Morton, Eliza
- Morton, Elizabeth
- Morton, Euan
- Morton, Kate
- Moses, Brian
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- Moss, Emma
- Moss, Miriam
- Moss, Sarah
- Mosse, Kate
- Movember
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- Moy, Patrick
- Msamati, Lucian
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- Mulkey, Chris
- Mullen, Georgie
- Muller, Melissa
- Mulley, Clare
- Mulraney, Adrian
- Mulvany, Kate
- Mulvey, Niamh
- Mumford, Paul
- Munaweera, Nayomi
- Mundy, Alastair
- Murgia, Madhumita
- Murnane, Jessica
- Murphy, Clive
- Murphy, Glenn
- Murphy, Ian
- Murphy, Jill
- Murphy, Lorna
- Murphy, Macken
- Murphy, Nick Vincent
- Murphy, Nora
- Murphy, Stef
- Murphy, Tim
- Murray, Annie
- Murray, Gina
- Murray, J.F.
- Murray, Jo
- Murray, Lily
- Murray, Simon
- Murray, Steven T.
- Murray-Browne, Kate
- Murrell, Deborah
- Musil, Robert
- Mustapha, Precious
- Myers, Ben
- Myers, Ernest
- Myers, Harry
- Myers, Nneka