- Maas, Sarah J
- MacAlistair, Carrie
- MacAlister, Katie
- MacFadden, Megan
- MacGillivray, Deborah
- MacGregor, Kinley
- MacKenzie, Sally
- Mackesy, Serena
- MacLean, Julianne
- MacLean, Sarah
- Macomber, Debbie
- Madea, Stephanie
- Madsen, Cindi
- Maines, Bethany
- Maitland, Joanna
- Maizel, Rebecca
- Malkin, Nina
- Mallery, Susan
- Mallory, Anne
- Mallory, Margaret
- Mallory, Sarah
- Malpas, Jodi Ellen
- Manet, Juliette
- Mann, Catherine
- Mannel, Beatrix
- Manski, Natascha
- March, Ashley
- March, Catherine
- March, Mia
- Marcus, Martha Sophie
- Margolis, Sue
- Marillier, Juliet
- Marlowe, Deb
- Marr, Melissa
- Marsh, Anne
- Marshall, Darlene
- Marshall, Paula
- Marten, Helena
- Martin, Deirdre
- Martin, Kat
- Martin, Rebecca
- Martin, Ricarda
- Martin, Sabine
- Marton, Sandra
- Marvelle, Delilah
- Mason, Connie
- Mattfeldt, Petra
- Matthews, Carole
- Matthies, Moritz
- Maupassant, Emmanuelle de
- Maurer, Jörg
- Maxwell, Cathy
- Maxwell, Gina L.
- May, Elizabeth
- May, Peter
- Maybach, Katja
- Mayer, Shannon
- Mayhue, Melissa
- Maynard, Joyce
- Mazetti, Katarina