Oscar E.Rodriguez (2 poems)
Humacao, Puerto Rico

Oscar D. Washington (4 poems)
Saint Louis, MO

Marian Osborne (6 poems)
14 May 1871 - 5 September 1931 / Quebec

John Osborne (2 poems)
Landsdown Grange Farm, Weston, Bath

Laughton Osborn (1 poem)
1809-1878 / USA

George Orwell (13 poems)
1903 - 1950

Orrick Johns (5 poems)
1887-1946 / United States

Gregory Orr (14 poems)
1947 / Albany, New York

Meghan O'Rourke (15 poems)
1976 / New York / United States

John Ormond (1 poem)
Dunvant, near Swansea

Orlando Gibbons (1 poem)
1583 - 1625 / England

O'Rita Demmons (2 poems)
Dayton, Ohio, USA

John Boyle O'Reilly (151 poems)
28 June 1844 - 10 August 1890 / Dowth Castle, County Meath

Dowell O'Reilly (5 poems)
18 July 1865 - 5 November 1923 / Sydney / Australia

Gabby Ore (1 poem)

Roland Orcsik (10 poems)
1975 / Becse

golden opulence (4 poems)
01 07 1995 / silang

Diederik Johann Opperman (2 poems)
29 September 1914 / Dundee

Martin Opitz (1 poem)
December 23, 1597 – August 20, 1639 / Bunzlau (Bolesławiec)

Amelia Opie (44 poems)
12 November 1769 – 2 December 1853 / Norwich

Joy O'Pateng (4 poems)

Tõnu Õnnepalu (2 poems)
1962 / Tallinn

Uejima Onitsura (1 poem)

Eugene O'Neill (7 poems)
16 October 1888 – 27 November 1953 / New York City

simple one (1 poem)

Ondrea Marisa Robinson (4 poems)
Rhode Island, USA

Michael Ondaatje (16 poems)

Omega Means Starr (3 poems)
Fayetteville, Arkansas, USA

Domenick John O'Malley (1 poem)
D. J. O'Malley/The N Bar N Kid White] (1867-1943 / New York City,USA

Lisa Olstein (14 poems)
Boston, Massachusetts

Charles Olson (9 poems)

Ulf Karl Olov Nilsson (3 poems)
1965 / Robertsfors

Olivia J. Warren (1 poem)
St. Albans, NY, USA

Olivia D. Michaels (3 poems)
Kernersville, NC, USA

Danilo Oliveira (1 poem)

Olive Walters (2 poems)
Solihull, West Midlands, UK

Olive Tilford Dargan (2 poems)

Olive Lumb (2 poems)
Hyde, Cheshire, UK

Olive I. Clark (2 poems)
Waynesboro, Virginia

Olive Harschar (3 poems)
Rockville Center, New York

Caroline Oliphant (7 poems)
1807-1831 / Scotland

Carolina Oliphant (76 poems)
1766-1845 / Scotland

Olga Z. Wakal (4 poems)
Brooklyn, New York, USA

Olga Iris (1 poem)
Staten Island, New York

Olga Batista (3 poems)
Bronx, New York, USA

Olevia Hodge (2 poems)
Bassett, Arkansas

Brigitte Oleschinski (11 poems)
1955 / Cologne

Olena Kalytiak Davis (4 poems)
1963 / United States

William Oldys (2 poems)
1690-1791 / England

Sharon Olds (35 poems)
November 19, 1942 / San Francisco