- Macaulay, David (6 books, 7 awards)
- MacDonald, Golden (1 book, 1 award)
- MacDonald, Margaret Read (1 book, 1 award)
- MacDonald, Suse (1 book, 2 awards)
- MacLachlan, Emily (1 book, 1 award)
- MacLachlan, Patricia (4 books, 5 awards)
- Maclear, Kyo (1 book, 1 award)
- Madison, Arnold (1 book, 1 award)
- Mahy, Margaret (3 books, 3 awards)
- Maitland, Antony (1 book, 1 award)
- Malkus, Alida (1 book, 1 award)
- Mann, Elizabeth (1 book, 1 award)
- Markle, Sandra (3 books, 3 awards)
- Marrin, Albert (3 books, 3 awards)
- Marshall, Bernard (1 book, 1 award)
- Marshall, James (1 book, 1 award)
- Martin, Ann M. (1 book, 1 award)
- Martin, Jacqueline Briggs (2 books, 2 awards)
- Martin, Jr., Bill (1 book, 1 award)
- Maruki, Toshi (1 book, 1 award)
- Mason, Margaret H. (1 book, 1 award)
- Mathers, Petra (1 book, 1 award)
- Mathis, Sharon Bell (1 book, 2 awards)
- Mavor, Salley (1 book, 2 awards)
- Maxwell, William (1 book, 1 award)
- Mayne, William (1 book, 1 award)
- Mazer, Norma Fox (1 book, 1 award)
- McCarty, Peter (2 books, 2 awards)
- McClafferty, Carla Killough (1 book, 1 award)
- McClintock, Barbara (1 book, 1 award)
- McCloskey, Robert (5 books, 5 awards)
- McClung, Robert (1 book, 1 award)
- McCully, Emily Arnold (1 book, 1 award)
- McDermott, Beverly Brodsky (1 book, 1 award)
- McDermott, Gerald (4 books, 5 awards)
- McDonald, Megan (1 book, 1 award)
- McDonnell, Patrick (1 book, 2 awards)
- McFarlane, Sheryl (1 book, 1 award)
- McGhee, Alison (1 book, 1 award)
- McGinty, Alice B. (1 book, 1 award)
- McGover, Ann (1 book, 1 award)
- McGraw, Eloise (4 books, 5 awards)
- McGugan, Jim (1 book, 1 award)
- McKay, Hilary (1 book, 1 award)
- McKinley, Robin (2 books, 2 awards)
- McKissack, Frederick L. (2 books, 2 awards)
- McKissack, Patricia C. (6 books, 6 awards)
- McLeod, Emilie Warren (1 book, 1 award)
- McLimans, David (1 book, 1 award)
- McMullan, Jim (1 book, 2 awards)
- McMullan, Kate (2 books, 3 awards)
- McNeely, Marion Hurd (1 book, 1 award)
- McNulty, Faith (1 book, 1 award)
- Meade, Holly (1 book, 1 award)
- Meader, Stephen W. (1 book, 1 award)
- Means, Florence Crannell (1 book, 1 award)
- Medina, Meg (1 book, 1 award)
- Meigs, Cornelia (4 books, 4 awards)
- Meisel, Paul (1 book, 1 award)
- Meltzer, Milton (3 books, 3 awards)
- Messner, Kate (1 book, 1 award)
- Metselaar, Menno (1 book, 1 award)
- Miles, Miska (1 book, 1 award)
- Milhous, Katherine (1 book, 1 award)
- Miller, Elizabeth (1 book, 1 award)
- Mills, Lauren (1 book, 1 award)
- Mizumura, Kazue (1 book, 1 award)
- Mollel, Tololwa (1 book, 1 award)
- Montgomery, Rutherford (1 book, 1 award)
- Montgomery, Sy (4 books, 5 awards)
- Moon, Grace (1 book, 1 award)
- Moore, Annie Carroll (1 book, 1 award)
- Moore, Christopher (1 book, 1 award)
- Moore, Janet Gaylord (1 book, 1 award)
- Mora, Pat (2 books, 2 awards)
- Morales, Yuyi (2 books, 2 awards)
- Moriarty, Jaclyn (1 book, 1 award)
- Morrison, Taylor (1 book, 1 award)
- Mosel, Arlene (2 books, 2 awards)
- Moss, Lloyd (1 book, 1 award)
- Moss, Onawumi Jean (1 book, 1 award)
- Mueller, Jorg (1 book, 1 award)
- Mukerji, Dhan Gopal (1 book, 1 award)
- Muller, Robin (1 book, 1 award)
- Murphy, Jim (6 books, 11 awards)
- Murray, Alison (1 book, 1 award)
- Musgrove, Margaret (1 book, 2 awards)
- Muth, Jon J. (1 book, 2 awards)
- Myers, Christopher (1 book, 1 award)
- Myers, Walter Dean (9 books, 11 awards)
- Nance, John (1 book, 1 award)
- Napoli, Donna Jo (1 book, 1 award)
- Naylor, Phyllis Reynolds (2 books, 2 awards)
- Nelson, Kadir (1 book, 2 awards)
- Nelson, Marilyn (2 books, 3 awards)
- Nelson, Theresa (1 book, 1 award)
- Nelson, Vaunda Micheaux (2 books, 2 awards)
- Ness, Evaline (4 books, 4 awards)
- Ness, Patrick (1 book, 1 award)
- Neville, Emily (1 book, 1 award)
- Newberry, Clare (1 book, 1 award)
- Newberry, Clare Turlay (3 books, 3 awards)
- Nielsen, Susin (1 book, 1 award)
- Nolan, Dennis (1 book, 1 award)
- North, Sterling (1 book, 1 award)
- Nyberg, Morgan (1 book, 1 award)
- Nye, Naomi Shihab (1 book, 1 award)