List of authors by name: O

The following is a List of authors by name whose last names begin with O:

Abbreviations: ch = children's; d = drama, screenwriting; f = fiction; nf = non-fiction; p = poetry, song lyrics

A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z

Oa/Ok
• Rachid O. (Morocco/France, f)

• Ann Oakley (born 1944, England, nf/f)

• Graham Oakley (born 1929, England, ch)

• John Oakman (c. 1748–1793, England, f/nf)

• María Olimpia de Obaldía (1891–1985, Panama, p)

• Barack Obama (born 1961, US, nf)

• Michelle Obama (born 1964, US, nf)

• Kate O'Beirne (1949–2017, US, nf)

• Nadège Noële Ango-Obiang (born 1973, Gabon, f/d/p)

• Chigozie Obioma (born 1986, Nigeria/US, f)

• Obiwu (born 1962, Nigeria/US, nf), full name Obioma Paul Iwuanyanwu

• Rafael Obligado (1851–1920, Argentina, p/d)

• Godspower Oboido (born 1988, Nigeria, p/nf)

• Dositej Obradović (1739–1811, Habsburg E/Ottoman E, nf)

• Téa Obreht (born 1985, Yugoslavia/US, f/nf)

• Princess Anka Obrenović (1821–1868, Serbia, nf)

• Tor Obrestad (1938–2020, Norway, f/p/nf)

• Patrick O'Brian (1914–2000, England/Ireland, f), born Richard Patrick Russ

• Fitz James O'Brien (1828–1862, Ireland/US, f/p)

• Flann O'Brien (1911–1966, Ireland, f/nf)

• John O'Brien (1878–1952, Australia, p/nf), pseudonym of Patrick Joseph Hartigan

• Michael O'Brien (born 1948, Canada, f/nf)

• Robert C. O'Brien (1918–1973, US, f)

• Sean O'Brien (born 1952, England, p/nf/d)

• Sigbjørn Obstfelder (1866–1900, Norway, p/f/nf)

• Mary-Louise O'Callaghan (living, Australia, nf)

• Luis Moreno Ocampo (born 1952, Argentina, etc., nf)

• Silvina Ocampo (1903–1993, Argentina, f/p)

• Victoria Ocampo (1890–1979, Argentina, nf)

• Thomas Occleve or Hoccleve (c. 1368–1426, England, p)

• Raquel Ochoa (born 1980, Portugal, f/nf)

• Moses Ochonu (living, Nigeria/US, nf)

• Tyne O'Connell (born 1960, England, f/ch)

• Elizabeth O'Conner (1913–2000, Australia, f/nf)

• Arthur O'Connor (1763–1852, Ireland/France, nf)

• Flannery O'Connor (1925–1964, US, f/nf)

• Mark O'Connor (born 1945, Australia, p/nf)

• Mary-Anne O'Connor (living, Australia, f)

• Philip O'Connor (1916–1998, England/France, nf)

• Roger O'Connor (1762-1834, Ireland/England, f/nf)

• Okello Oculi (born 1942, Uganda/Nigeria, p/nf)

• Julius Ocwinyo (born 1961, Uganda, p/f)

• Sakunosuke Oda (織田作之助, 1913–1947, Japan, f/d/nf)

• Asenath Bole Odaga (1937–2014, Kenya, f/d/ch)

• Rosemary O'Day (born 1945, England, nf)

• Constance O'Day-Flannery (living, US, f)

• Scott O'Dell (1898–1989, US, f/ch)

• Eisha Stephen Atieno Odhiambo (1945–2009, Kenya/US, nf)

• Yervant Odian (1869–1926, Ottoman E/Egypt, nf/d)

• Ike Odimegwu (living, Nigeria, nf)

• Jaramogi Oginga Odinga (1911–1994, Kenya, nf)

• Alexandru Odobescu (1834–1895, Wallachia/Romania, f/nf)

• Laurel O'Donnell (living, US, f)

• Mietta O'Donnell (1950–2001, Australia, nf)

• Bernard O'Dowd (1866–1953, Australia, p/nf)

• Dennis O'Driscoll (1954–2012, Ireland, p/nf)

• Antoni Edward Odyniec (1804–1885, Poland, p)

• Kenzaburō Ōe (大江健三郎, 1935–2023, Japan, f/nf)

• Héctor Germán Oesterheld (1919–1977 or later, Argentina, f)

• Maggie O'Farrell (born 1972, N Ireland/England, f)

• Ernest O'Ferrall (1881–1925, Australia, p/f/nf)

• Ron Offen (1930–2010, US, p/d/nf)

• Yōko Ogawa (小川洋子, born 1962, Japan, f/nf)

• Charles Ogden, (living, US, ch) joint pseudonym

• Elisabeth Ogilvie (1917–2006, US, f/nf/ch)

• Ian Ogilvy (born 1943, England, d/f)

• William Henry Ogilvie (1869–1963, Scotland, p/f)

• Ogiwara Seisensui (荻原井泉水, 1884–1976, Japan, p)

• Finn Øglænd (born 1957, Norway, p/f/ch)

• Kormákr Ögmundarson (fl. 10th c., Iceland, p)

• Dejan Ognjanović (born 1973, Yugoslavia/Montenegro)

• Vida Ognjenović (born 1941, Yugoslavia/Serbia, d/nf)

• Margaret Ogola (1958–2011, Kenya, f)

• Grace Ogot (1930–2015, Kenya, f)

• Josephat Obi Oguejiofor (living, Nigeria, nf)

• Olu Oguibe (born 1964, Nigeria/US, nf)

• Ike Oguine (living, Nigeria, f)

• Molara Ogundipe (1940–2019, Nigeria, p/nf)

• Wole Oguntokun (born 1967, Nigeria, d/nf)

• Mushitaro Oguri (小栗虫太郎, 1901–1946, Japan, f)

• Frank O'Hara (1926–1966, US, p/d)

• John O'Hara (1905–1970, US, f/d/nf)

• John Bernard O'Hara (1862–1927, Australia, p)

• Pixie O'Harris (1903–1991, Wales/Australia, nf/p/ch), pseudonym of Rhona Olive Harris

• Bruno K. Öijer (born 1951, Sweden, p)

• Tanure Ojaide (born 1948, Nigeria, p/f/nf)

• Bayo Ojikutu (born 1971, Nigeria/US, f)

• Okakura Kakuzō (岡倉覚三, 1863–1913, Japan, nf)

• Atukwei Okai (1941–2018, Gold Coast/Ghana, p/nf)

• Kanoko Okamoto (岡本かの子, 1889–1939, Japan, p/nf)

• Kido Okamoto (岡本綺堂, 1872–1939, Japan, d)

• Gabriel Okara (1921–2019, Nigeria, p/n)

• Janette Oke (born 1935, Canada, f)

• Chioma Okereke (living, Nigeria/England, p/f)

• Christopher Okigbo (1932–1967, Nigeria, p)

• Susan Moller Okin (born 1964, N Zealand, nf)

• Einar Økland (born 1940, Norway, p/d/ch)

• Julie Okoh (born 1947, Nigeria, d/f)

• Nnedi Okorafor (born 1974, Nigeria/US, f/ch)

• Okot p'Bitek (1931–1982, Uganda, p/nf)

• Ifeoma Okoye (born c. 1937, Nigeria, f/ch)

• Chinelo Okparanta (born 1981, Nigeria/US, f)

• Isidore Okpewho (1941–2016, Nigeria/US, f/nf)

• Ben Okri (born 1959, Nigeria/England, p/f)

• Mary Karooro Okurut (born 1954, Uganda, f/nf)

Ol–Oo
• Afolabi Olabimtan (1932–2003, Nigeria, f/nf)

• Olatubosun Oladapo (born 1943, Nigeria, p/d/nf)

• Auður Ava Ólafsdóttir (born 1958, Iceland, f/d/p)

• Eggert Ólafsson (1726–1768, Iceland, nf)

• Jón Ólafsson (1850–1916, Iceland/Canada, nf)

• Jón Ólafsson (c. 1594–1679, Iceland, nf)

• Ólafur Jóhann Ólafsson (born 1962, Iceland, nf)

• Páll Ólafsson (1927–2005, Iceland, p)

• Nicolaus Olahus (1493–1568, Hungary, nf)

• John Olday (1905–1977, US/Australia, f)

• Jenny Oldfield (born 1949, England, ch)

• John Oldmixon (1673–1742, England, nf/p/d)

• Sharon Olds (born 1942, US, p)

• Michael O'Leary (born 1950, N Zealand, p/f)

• Sibylle von Olfers (1881–1916, Germany, ch)

• Sergio Olguín (born 1967, Argentina, f/nf/ch)

• Laurence Oliphant (1829–1988, S Africa/England, nf/f)

• Margaret Oliphant (1828–1897, Scotland/England, f/nf)

• Ukamaka Olisakwe (born 1982, Nigeria, f/d)

• Oscar Núñez Oliva (born 1955, Costa Rica, f)

• Gabriela Torres Olivares (born 1982, Mexico, f/nf)

• Gloria Olive (1923–2006, US/N Zealand, nf)

• Jamie Oliver (born 1975, England, nf)

• Marina Oliver (born 1934, England, f/nf)

• Mary Oliver (1935–2019, US, p)

• Narelle Oliver (1960–2016, Australia, ch)

• Alberto de Oliveira (1857–1937, Brazil, p)

• Carlos de Oliveira (1921–1981, Portugal, p/f)

• Juste Olivier (1807–1876, Switzerland, p/f/nf)

• Narcís Oller (1846–1930, Spain, f)

• Alfred Ollivant (1874–1927, England, f), Owd Bob

• Ayodele Olofintuade (born 1970s, Nigeria, ch/f/nf)

• Simbo Olorunfemi (living, Nigeria, p/nf)

• Gregg Olsen (born 1959, US, nf/f)

• Charles Olson (1910–1970, US, p)

• Albert Olsson (1904–1994, Sweden, f)

• Jan Olof Olsson (1920–1974, Sweden, nf)

• Linda Olsson (born 1948, Sweden/N Zealand, f)

• Grozdana Olujić (1934–2019, Yugoslavia/Serbia, f/ch)

• Daniel O'Mahony (born 1973, England, f/d)

• Rageh Omaar (born 1967, Somalia/England, nf)

• Carola Oman (1897–1978, England, f/nf/ch)

• Qais Akbar Omar (born 1982, Afghanistan/US, nf)

• Shazia Omar (living, Bangladesh, f/nf)

• Kristín Ómarsdóttir (born 1962, Iceland, f/p/d)

• Rahraw Omarzad (born 1964, Afghanistan, nf)

• Ömer Seyfettin (1884–1920, Ottoman E, f/p)

• Tamsin Omond (born 1984, England, nf)

• Kole Omotosho (born 1943, Nigeria, f/nf)

• Arthur Omre (1887–1967, Norway, f)

• Kola Onadipe (1922–1988, Nigeria, ch)

• Iván Oñate (born 1948, Ecuador, p/f)

• Michael Ondaatje (born 1943, Ceylon/Canada, p/f/nf)

• Ondjaki (born 1977, Angola, p/ch/f), pseudonym of Ndalu de Almeida

• Ľudo Ondrejov (1901–1962, Austria-Hungary/Czechoslovakia, p/f/nf)

• Alexandre O'Neill (1924–1986, Portugal, p)

• Eugene O'Neill (1888–1953, US, d/f)

• Tony O'Neill (born 1978, England/US, f/p/nf)

• Juan Carlos Onetti (1909–1994, Uruguay/Spain, f)

• Beria Onger (1921–2015, Turkey, nf)

• Oliver Onions (1873–1961, England, f)

• Makena Onjerika (living, Kenya, f)

• Tõnu Õnnepalu (born 1962, Estonia, f/nf/p)

• Fuyumi Ono (小野不由美, born 1960, Japan, f)

• Ono no Komachi (小野小町, c. 825 – c. 900, Japan, p)

• Saishū Onoe (尾上柴舟, 1876–1957, Japan, p), pseudonym of Hachirō Onoe (尾上八郎)

• Nuzo Onoh (born 1962, Nigeria, f/nf)

• Onomacritus (c. 530–480 BCE, Greece, p)

• Charles van Onselen (living, S Africa, nf)

• Inte Onsman (1872–1929, Netherlands, d)

• Chibundu Onuzo (born 1991, Nigeria, f)

• Nduka Onwuegbute (born 1969, England/Nigeria, d/f/ch)

• Osonye Tess Onwueme (born 1955, Nigeria, d/p/nf)

• Troy Onyango (born 1993, Kenya, nf/f)

• Charles Onyango-Obbo (born 1958, Uganda, nf)

• Ifeoma Onyefulu (born 1959, Nigeria/England, ch/f)

• Onyeka (living, England, nf)

• Makoto Ōoka (大岡信, 1931–2017, Japan, p/nf)

• Shōhei Ōoka (大岡昇平, 1909–1988, Japan, f/nf)

Op–Oz
• Joseph Opatoshu (1886–1954, Poland/US, f)

• Amelia Opie (1769–1853, England, f/p/nf)

• Martin Opitz (1597–1639, Germany/Danzig, p)

• Kenneth Oppel (born 1967, Canada, ch)

• George Oppen (1908–1984, US, p)

• E. Phillips Oppenheim (1866–1946, England/Guernsey, f)

• Joachim Oppenheim (1832–1891, Austria/Czech, nf)

• Andrés Oppenheimer (born 1951, Argentina, nf)

• Robert Oppenheimer (1904–1967, US, nf)

• Artur Oppman (1867–1931, Russian E/Poland, p)

• Leonard Oprea (born 1953, Romania/US, f/p/nf)

• Marek Oramus (born 1952, Poland, f/nf)

• Claudia Orange (born 1938, N Zealand, nf)

• Vladimir Oravsky (born 1947, Czechoslovakia/Sweden, d/ch)

• Yolanda Oreamuno (1916–1956, Costa Rica, f/nf)

• Alexander Orbeliani (1802–1869, Russian E, p/d/nf)

• David Orbeliani (1739–1796, Georgia, p)

• Grigol Orbeliani (1804–1883, Russian E, p)

• Sulkhan-Saba Orbeliani (1658–1725, Georgia, nf)

• Vakhtang Orbeliani (1812–1890, Russian E, p)

• Margaret Orbell (1935–2006, N Zealand, nf)

• Mavro Orbini (1563–1614, Ragusa, nf)

• Baroness Orczy (1865–1947, Hungary/England, f/d)

• Edward Otho Cresap Ord, II (1858–1923, US, p)

• Orderic Vitalis (1075 – c. 1142, England, nf)

• Jerry Ordway (born 1957, US, f/ch)

• Bill O'Reilly (born 1949, US, nf)

• Dowell O'Reilly (1865–1923, Australia, p/f)

• Giorgio Orelli (1921–2013, Switzerland, p/nf)

• Giovanni Orelli (1928–2016, Switzerland, p/f/nf)

• Zaharije Orfelin (1726–1785, Habsburg E, nf/p)

• Mathieu Orfila (1787–1853, Spain/France, nf)

• Emilio Oribe (1893–1975, Uruguay, p/nf)

• Origen (c. 184 – c. 253 CE, Egypt/Lebanon, nf)

• Nadia Origo (born 1977, Gabon/France, f/nf)

• Shinobu Orikuchi (折口信夫, 1887–1953, Japan, nf/f/p)

• Bukola Oriola (born 1976, Nigeria/US, nf)

• Tore Ørjasæter (1886–1968, Norway, nf/p)

• Iza Orjonikidze (1938–2010, USSR/Georgia, p/nf)

• Władysław Orkan (1875–1930, Austria-Hungary/Poland, f/nf/p)

• István Örkény (1912–1979, Hungary, d/f)

• Uri Orlev (1931–2022, Poland/Israel, ch)

• Milan Orlić (born 1962, Yugoslavia/Serbia, p/nf)

• Peter Orlovsky (1933–2010, US, p)

• Kate Orman (born 1968, Australia, f)

• Edward Ormondroyd (born 1925, US, ch)

• Olga Orozco (1920–1999, Algeria, p)

• Elvira Orphée (1922–2018, Argentina, f)

• Gregory Orr (born 1947, US, p)

• Mary Orr (1910–2006, US, f)

• Sue Orr (born 1962, N Zealand, f)

• Julie Orringer (born 1973, US, f)

• Hanne Ørstavik (born 1969, Norway, f)

• Garcia de Orta (c. 1501–1568, Portugal, nf)

• José Ortega y Gasset (1883–1955, Spain, nf)

• Abraham Ortelius (1527–1598, Netherlands, nf)

• Ramalho Ortigão (1836–1916, Portugal, nf)

• Adalberto Ortiz (1914–2003, Ecuador, f/p)

• Alicia Dujovne Ortiz (born 1940, Argentina, nf)

• Juan Laurentino Ortiz (1896–1978, Argentina, p)

• Ernst Ortlepp (1800–1864, Germany, p)

• Joe Orton (1933–1967, England, d/f/nf)

• Julia Anna Orum (1843–1904, US, nf)

• Ernst Orvil (1898–1985, Norway, f/p/d), pseudonym of Ernst Richard Nilsen

• George Orwell (1903–1950, England/Scotland, f/nf), pseudonym of Eric Arthur Blair

• Eliza Orzeszkowa (1841–1910, Russian E, f/nf)

• Dennis Osadebay (1911–1994, Nigeria, p/nf)

• Kaoru Osanai (小山内薫, 1881–1928, Japan, d)

• Arthur Osborne (1906–1970, UK, nf)

• Helen Osborne (1939–2004, England, nf)

• John Osborne (1929–1994, England, d)

• Mary Pope Osborne (born 1949, US, ch)

• Paul Oscar (born 1970, Iceland, p), pseudonym of Páll Óskar Hjálmtýsson

• Lee Oser (born 1958, US, f/nf)

• Alice Oseman (born 1996, England, f/ch/d)

• Tam O'Shaughnessy (born 1952, US, ch)

• Pat O'Shea (1931–2007, Ireland/England, ch)

• Shunrō Oshikawa (押川春浪, 1876–1914, Japan, f/nf)

• Andreas Osiander (1498–1552, Germany, nf)

• Agnieszka Osiecka (1936–1997, Poland, p/d)

• Sara Margrethe Oskal (born 1970, Norway, p/f/d)

• Jón Óskar (1921–1998, Iceland, p)

• Sam Osman (living, England/US, f/ch)

• Shawkat Osman (1917–1998, India/Bangladesh, f)

• Mari Osmundsen (born 1951, Norway, f/ch), pseudonym of Anne Kristine Halling

• Femi Osofisan (born 1946, Nigeria, d/nf)

• E. C. Osondu (living, Nigeria, f/nf)

• Ana de Castro Osório (1872–1935, Portugal, nf)

• Ferdynand Antoni Ossendowski (1876–1945, Russian E/Poland, nf)

• Carl von Ossietzky (1889–1938, Germany, nf)

• Hanni Ossott (1946–2002, Venezuela, p/nf)

• Klas Östergren (born 1955, Sweden, f/d)

• Josip Osti (1945–2021, Yugoslavia/Slovenia, p/nf)

• Ljubica Ostojić (1945–2021), Yugoslavia/Bosnia, p/nf/d)

• John Ostrander (born 1949, US, ch)

• Niyi Osundare (born 1947, Nigeria, p/d/nf)

• Sissel Benneche Osvold (born 1945, Norway, nf)

• Oswald von Wolkenstein (1336/1337–1445, Germany, p)

• Alice Oswald (born 1966, England, p)

• Mizuho Ōta (太田水穂, 1876–1955, Japan, p/nf), pseudonym of Teiichi Ōta (太田貞)

• Manuel Ramos Otero (1948–1990, Puerto Rico, nf/p)

• Otfrid of Weissenburg (c. 800–870, Germany, p)

• Ōtomo no Yakamochi (大伴家持, c. 718–785, Japan, p)

• U Ottama (1879–1939, Burma, nf)

• Óttarr svarti (fl: 11th c., Iceland, p)

• Géza Ottlik (1912–1990, Hungary, nf)

• Moncef Ouahibi (born 1949, Tunisia, p/f/nf)

• Tahar Ouettar (1936–2010, Algeria, f/nf), also known as Al-Tāhir Wattar

• Malika Oufkir (born 1953, Morocco/France, nf)

• Onyinye Ough (living, Nigeria, f/nf)

• Julya Oui (living, Malaysia, p/f)

• Ouida (1839–1908, England/Italy, f/ch/nf), pseudonym of Maria Louise Ramé

• Touria Oulehri (born 1962, Morocco, nf)

• Yambo Ouologuem (1940–2017, Mali, f/nf)

• Ide Oumarou (1937–2002, Niger, nf)

• Sarah Outen (born 1985, England, nf)

• Ouyang Xiu (歐陽脩, 1007–1072, China, nf/p)

• Ouyang Xun (歐陽詢, 557–641, China, f)

• Ouyang Yu (歐陽昱, born 1945, China/Australia, p/f/nf)

• Helen Ovbiagele (born 1944, Nigeria, f)

• Keith Ovenden (born 1943, England, f/nf)

• Caroline Overington (born 1970, Australia, f/nf)

• Thomas Overbury (1581–1613, England, p/nf)

• Arnulf Øverland (1889–1968, Norway, p)

• Charles Overton (1805–1889, England, nf/p)

• Ovid (43 BCE – 17/18 CE, Roman E, p), full name Publius Ovidius Naso

• Owain Owain (1929–1993, Wales, f/p)

• Robin Llwyd ab Owain (born 1959, Wales, p)

• Daniel Owen (1836–1895, Wales, f)

• David Owen (1795–1866, Wales, nf), pseudonym Brutus

• David Owen (Dewi Wyn o Eifion) (1784–1841, Wales, p)

• Gerallt Lloyd Owen (1944–2014, Wales, p)

• Goronwy Owen (1723–1769, Wales/US, p)

• Jan Owen (born 1940, Australia, p)

• Robert Owen (1771–1858, Wales/England, nf)

• Ruth Owen (1885–1954, US, nf/ch)

• Wilfred Owen (1893–1918, England/France, p)

• William David Owen (1874–1925, Wales, f)

• Yvonne Adhiambo Owuor (born 1968, Kenya, f/nf)

• Helen Oxenbury (born 1938, England, ch)

• Elsie J. Oxenham (1880–1960, England, ch)

• Johan Gabriel Oxenstierna (1750–1818, Sweden, p)

• Gunnhild Øyehaug (born 1975, Norway, p/f/nf)

• Oyèrónkẹ́ Oyěwùmí (born 1957, Nigeria, nf)

• Helen Oyeyemi (born 1984, Nigeria/Czech R, f/d)

• Lauren Oyler (living, US, f)

• Ferdinand Oyono (1929–2010, Cameroon, f)

• Leticia de Oyuela (1935–2008, Honduras, nf)

• Amos Oz (1939–2018, Palestine/Israel, f/ch/nf)

• Ozaki Hōsai (尾崎放哉, 1885–1926, Japan, p)

• Ozaki Kihachi (尾崎喜八, 1892–1974, Japan, p)

• Ozaki Kōyō (尾崎紅葉, 1868–1903, Japan, f/p)

• Jacques Ozanam (1640–1718, France, nf)

• Emine Sevgi Özdamar (born 1946, Turkey/Germany, f/nf)

• Ismet Özel (born 1944, Turkey, p/nf)

• Joshua Ozersky (1967–2015, US, nf)

• Cynthia Ozick (born 1928, US, f/nf)

• Hanna Ożogowska (1904–1995, Duchy of Warsaw/Poland, f/p)

• Yasujirō Ozu (小津安二郎, 1903–1963, Japan, d)