John Oldham (3 poems)
9 August 1653 – 9 December 1683 / England

Joseph Oyin Oladipo (1 poem)

Ola M. Joyner (1 poem)
Collinsville, Mississippi

dkihasd okwijfosd (2 poems)

Bulat Okudzhava (26 poems)
1924 - 1997 / Moscow

Ugiagbe Okoro (2 poems)

Niran Okewole (8 poems)
1977 / Abeokuta

Krittibas Ojha (1 poem)
1381 - 1461 / Nadia, West Bengal / India

Risto Oikarinen (4 poems)
1978 / Kajaani

Sanae Ohta (1 poem)

Theodore O'Hara (1 poem)
1820-1867 / the United States

John Bernard O'Hara (3 poems)
1862-1927 / Australia

Frank O'Hara (52 poems)
27 March 1926 – 25 July 1966 / Baltimore, Maryland

Thomas O'Hagan (7 poems)
6 March 1855 - 1 March 1939 / Toronto

William Henry Ogilvie (65 poems)
21 August 1869 – 30 January 1963 / Kelso, Scotland

John Ogilvie (1 poem)
1733-1814

Ai Ogawa (15 poems)
Florence Anthony] (21 October 1947 - 20 March 2010 / Albany, Texas

bernard ogalo oduor (1 poem)

Ernest O'Ferrall (5 poems)

Ofelia E.M.K. Shook (2 poems)
Fort White, Florida

St John of the Cross (1 poem)
1542 - 1591 / Fontiveros / Spain

Adam Oehlenschläger (302 poems)
14 November 1779 - 20 January 1850

Adam Got Oehlenschlaeger (20 poems)
1779-1850 / Denmark

Dennis O'Driscoll (10 poems)
1 January 1954 - / Thurles, County Tipperary

Bernard O'Dowd (22 poems)
11 April 1866 – 1 September 1953 / Beaufort

Thomas Odiorne (21 poems)
1769-1851 / USA

Casey O'Dell (1 poem)

Jonathan Odell (1 poem)
1737-1818 / Canada

Octavia B. Hawkins-Richar (2 poems)
Philadelphia, PA, USA

O'Conor (1 poem)

Ed Ochester (4 poems)
1939 / Brooklyn, New York City, New York

Silvina Ocampo (10 poems)
1903 –1993 / Buenos Aires, Argentina

Conor O'Callaghan (1 poem)
Newry

Mark O'Brien (4 poems)
1947-1999 / Boston, Massachusetts

John O'Brien (1 poem)
Monsignor Patrick Joseph Hartigan] (13 October 1878 - 27 December 1952 / Australia

Geoffrey G. O'Brien (7 poems)
1969

night oblivion (1 poem)

Abu Zafar Obaidullah (4 poems)
8 February 1934 - 19 March 2001 / Babuganj, Barisal / Bangladesh

Joyce Carol Oates (6 poems)

Elizabeth Oakes Smith (28 poems)
1806 - 1893

Steve O13 (1 poem)

O. Abbas Mimiko (2 poems)
Brooklyn, New York

Aogán Ó Rathaille (4 poems)
Egan O'Rahilly] (1670-1728 / Killarney / Ireland

Antoine O Raifteiri (3 poems)
Anthony Raftery] (30 May 1779 - 25 December 1835 / Kiltimagh / Ireland

Naomi Shihab Nye (46 poems)
12 March 1952 / St. Louis, Missouri

Fredrik Nyberg (6 poems)
Gothenburg / Gothenburg

Geoffrey Nutter (1 poem)
1968 / Sacramento, California

Dennis Nurkse (4 poems)
Brooklyn / United States

Nurjahan Mahbub (1 poem)
Irving, Texas

Robert Nugent (17 poems)
1702-1788 / England