Owen Felltham (1 poem)
1602 - 1668 / England

Wilfred Owen (81 poems)
1893-1918 / Shropshire / England

Goronwy Owen (1 poem)
1723 - 1769

Ovid (25 poems)
43 BCE - 17 CE / Rome / Italy

Thomas Overskou (1 poem)
1798-1873 / Denmark

Ulrich Peter Overby (1 poem)

Sir Thomas Overbury (1 poem)
1581-1613 / England

Ouida Nell Greene (2 poems)
Southlake, Texas

Otis Hull (1 poem)
Riehland, IN, USA

Othel Cowan (3 poems)
Lakeshore, Mississippi

Mbuyiseni Oswald Mtshali (6 poems)
1940 / Vryheid

Alice Oswald (5 poems)
1966

Niyi Osundare (7 poems)
1947 / Ikere-Ekiti

Alicia Suskin Ostriker (28 poems)
1937 / Brooklyn, New York City, New York

Eugene Ostashevsky (15 poems)
1968 / Leningrad, USSR

Paul van Ostaijen (12 poems)

Jena Osman (1 poem)

Shaemas O'Sheel (3 poems)

Arthur Wil O'Shaughnessy (8 poems)
14 March 1844 – 30 January 1881 / London

Frances Sargent L Osgood (2 poems)
1811-1850 / USA

Oscar R. Hernandez (3 poems)
Frederick, Maryland, USA

Oscar Estes (2 poems)
Corpus Christi, TX

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