Below is a list of authors presented in alphabetical order. The authors are categorised by the first letter of their surname. Use the available links to view the authors in each category.
O'Briain, Dara
O'Brian, Patrick
O'Brien, Anne
O'Brien, Edna
O'Brien, Gerry
O'Brien, Kate
O'Brien, Martin
O'Brien, Maureen
O'Brien, Meg
O'Brien, Robert C
O'Brien, Tim
O'Callaghan, Billy
O'Carroll, Brendan
O'Carroll-Kelly, Ross
O'Carroll-Robertson, June
O'Connell, David
O'Connor, Denis
O'Connor, Des
O'Connor, Flannery
O'Connor, Frank
O'Connor, Gemma
O'Connor, Joseph
O'Connor, Sean
O'Dell, Scott
O'Donnell, Hugh
O'Donoghue, Caroline
O'Donoghue, John
O'Farrell, John
O'Farrell, Maggie
O'Flaherty, Liam
O'Flanagan, Sheila
O'Hagan, Andrew
O'Hanlon, Redmond
O'Leary, Olivia
O'Loughlin, Ann
O'Morain, Padraig
O'Neil, Cathy
O'Neill, Geraldine
O'Neill, Gilda
O'Neill, Joan
O'Neill, Joseph
O'Neill, Louise
O'Neill, Richard
O'Porter, Dawn
O'Reilly, Emily
O'Riordan, Liz
O'Riordan, Liz & Greenhalgh, Trish
O'Toole, Fintan
Oakley, Ann
Oates, Joyce Carol
Obama, Barack
Obama, Michelle
Obioma, Chigozie
Ochse, Weston
Ockelford, Adam
Odlin, Leigh
Odone, Cristina
Oelwang, Jean
Offill, Jenny
Ogas, Ogi
Ogas, Ogi & Rogers, Dr.
Ogawa, Yoko
Ohler, Norman
Okogwu, Tola
Okojie, Irenosen
Okri, Ben
Oldfield, Jenny
Oldfield, Matt
Oldfield, Molly
Oldfield, Pamela
Oldfield, Tom
Oldfield, Tom & Oldfield, Matt
Oldham, June
Oliphant, Mrs
Oliver, Jamie
Oliver, Lauren
Oliver, Mary
Oliver, Neil
Ollivant, Alfred
Olmi, Veronique
Olorunnipa, Toluse
Olorunnipa, Toluse & Samuels, Robert
Olsson, Fredrik T
Omaar, Rageh
Omond, Tamsin
Omotoso, Yewande
Ondaatje, Michael
Ong, Simon Alexander
Onyeama, Dillibe
Orbach, Suzie
Orczy, Baroness
Orga, Ates
Organ, Emily
Orr, Aileen
Orwell, George
Osborne, Bella
Osborne, Frances
Osborne, William
Osbourne, Lloyd
Osbourne, Sharon
Osbourne, Lloyd & Stevenson, Robert
Oseman, Alice
Osman, Richard
Osuwu, Derek
Oswald, Alice
Otsuka, Julie
Overholser, Wayne
Overy, Richard
Ow, Anya
Owen, Amanda
Owen, Lauren
Owen, Sarah
Owen, Wilfred
Owens, Agnes
Owens, Sharon
Owtram, Jean
Owtram, Patricia
Owtram, Jean & Owtram, Patricia
Owuor, Yvonne Adhiambo
Ozeki, Ruth