Authors - O
- Oakley, Natasha
- O'Bannon, Ann
- Oberlies, Rita
- O'Brien, Caragh
- O'Brien, Judith
- O'Brien, Kathleen
- O'Caragh, Mary
- O'Connell, Laura
- O'Connell, Shannon
- O'Connor, Doris
- O'Day-Flannery, Constance
- O'Donnell, Jodi
- O'Donnell, Laurel
- Oh, Madeleine
- O'Hara, Kate
- O'Hurley, Alexandra
- O'Keefe, Molly
- Oldfield, Elizabeth
- Olech, Lisa
- Oliver, Tess
- Oliveras, Priscilla
- Olney, Patricia
- O'Neal, Barbara
- O'Neill, Jude
- Orcutt, Jane
- O'Reilly, Kathleen
- O'Reilly, Wynter
- Orloff, Erica
- O'Rourke, Erica
- Orr, Alice
- Orr, Zelma
- Ortega, Annmarie
- Ortolon, Julie
- Orwig, Sara
- Osborne, Maggie
- Overfield, Joan
- Owen, Ann
- Owen, Ruth
- Owens, Cynthia
- Owens, Robin D.
