All articles starting with O

Oksana Makarova

Oksana Makarova (Оксана Анатольевна Макарова, née Chernenko, also Ovchinnikova), Russian javelin thrower born 1971 in Volgograd; 1996 Olympian, two-time European Cup winner, personal bests 64.61 m and 68.72 m (old javelin).

Oksana Masters

Oksana Masters is an American Paralympic athlete, born in Ukraine in 1989, who has competed in rowing, cycling, cross-country skiing, and biathlon, winning 24 career medals.

Oksana Slivenko

Oksana Slivenko is a Russian weightlifter born in 1986, a three-time world champion who won Olympic gold in the women's 69 kg class at the 2008 Beijing Games.

Oksana Sukhachova Spasovkhodskaya

Oksana Sukhachova Spasovkhodskaya (Oksana Skorobogatko, born 1984), Russian middle-distance runner; ran on the Moskva-1 team that set the indoor 4x800 m world record 8:12.41 in 2010; 800 m best 2:02.24.

Oksana Yarygina

Oksana Yarygina (Оксана Александровна Ярыгина), Russian javelin thrower born 1972 in Uzbekistan; 1994 Asian Games champion for Uzbekistan, personal best 64.34 m (1999), 26th in qualification at the 2004 Athens Olympics; wife of Sergey Makarov.

Oksana Yermakova

Oksana Yermakova (Оксана Ивановна Ермакова), born 1973 in Tallinn, is a Russian épée fencer who won Olympic team gold in 2000 and 2004 and the 1993 world individual title for Estonia.

Oksana Zabuzhko

Oksana Zabuzhko, born 1960 in Lutsk, is a Ukrainian poet, novelist, and essayist whose 1996 novel Fieldwork in Ukrainian Sex became an international event in post-Soviet Ukrainian literature.

Oksen Mirzoyan

Oksen Mirzoyan (Հոկսէն Միրզոյան), Armenian bantamweight weightlifter for the USSR; 1983 world and European champion; won 1988 Seoul Olympic 56 kg gold with 292.5 kg after Grablev's doping disqualification.

Oksskolten

Oksskolten (Southern Sami: Uktsiesnjurhtjien åejjie) is a 1,916-meter mountain in Hemnes Municipality, Nordland, Norway, the highest point in Nordland county and in all of Northern Norway.

Okta

Okta, Inc. (Nasdaq: OKTA) is an American identity and access management company whose cloud platform authenticates users and governs their access to applications, serving organizations from small businesses to Fortune 500 companies.

Oktay Akbal

Oktay Akbal (1923–2015) was a Turkish short-story writer, novelist, and columnist of the Republican era, known for autobiographical Istanbul fiction, plain poetic prose, and a daily Cumhuriyet column until 2014.

Oktay Rifat

Oktay Rifat, full name Ali Oktay Rifat (1914–1988), was a Turkish poet, playwright, and novelist who co-founded the Garip movement in 1941 and later embraced the Second New.

Okto

Okto is Mediacorp's Singapore children's television brand, launched 19 October 2008 as a free-to-air channel, repositioned in 2017 for kids and sports, and merged into Channel 5 as the okto on 5 block from 1 May 2019.

Oktoberfest

Oktoberfest (Munich's Wiesn, Theresienwiese) is the world's largest folk festival, held 16 days from mid-September since 1810. 2026 marks its 191st edition, September 19 to October 4, opened by the mayor's keg-tapping at noon in the Schottenhamel tent.

Oktoberfest celebrations

Oktoberfest celebrations: the Munich Wiesn, world's largest folk festival, founded 1810 for Ludwig I's wedding, held on Theresienwiese; record 7.4 million visitors and 6.7 million Maß of beer in 2026.

Oktyabrsky Zoo

Акцябрскі заапарк (Oktyabrsky Zoo), a small state zoo in Akciabrski, Gomel Oblast, Belarus, opened May 6, 2003; about 1.8 ha, over 60 species including Red Book animals, one of five Belarusian zoos.

Oku Mumeo

Oku Mumeo (奥むめお, 1895–1997) was a Japanese women's labor and consumer activist who founded the Housewives' League in 1948 and served in the House of Councilors.

Oku no Hosomichi (奥の細道)

Oku no Hosomichi (奥の細道, The Narrow Road to the Deep North) is Matsuo Bashō's 1702 haikai travel record of his 1689, 2,400 km journey with Sora from Edo to Ōgaki, blending prose and haiku.

Oku Volcanic Field

Oku Volcanic Field (Oku Volcanic Group), a volcanic field in northwest Cameroon on the Cameroon Volcanic Line; four stratovolcanoes culminating at Mt. Oku (3,011 m), activity 30 to <1 Ma, basanite-to-rhyolite lavas, and the Lake Nyos and Monoun CO2 disaster lakes.

Ōkubi-e

Ōkubi-e (大首絵, "large head pictures") is a Japanese ukiyo-e print format showing an actor or beautiful woman from the chest up, emerging in the 1780s and flourishing in the 1790s.

Ōkubo Toshimichi

Ōkubo Toshimichi (大久保利通, 1830–1878) was a Satsuma samurai who became the dominant figure of the Meiji oligarchy, directing the abolition of the feudal domains and suppressing the Satsuma Rebellion before his assassination in 1878.

Oct 15, 2026

Okuma Corporation

Okuma Corporation (オークマ株式会社) is a Japanese manufacturer of CNC machine tools and CNC controls, founded in 1898 as a maker of noodle machines and known for building its own OSP controls.

Ōkuma Memorial on the Constitution

The Ōkuma Memorial on the Constitution (大隈重信の憲法意見書) is an 1881 memorial in which councillor Ōkuma Shigenobu urged a British-style party cabinet; its leak caused the 1881 political crisis.

Ōkuma Shigenobu

Ōkuma Shigenobu (大隈重信) was a Japanese statesman from Saga who served twice as prime minister, in 1898 and 1914 to 1916, founded the Rikken Kaishintō, and founded Waseda University.

Ōkuma, Fukushima

Ōkuma (大熊町) is a Fukushima coast town co-hosting the Fukushima Daiichi nuclear plant; fully evacuated in 2011, partially reopened from 2019, with about 1,500 residents living there by 2026.

Okumura Masanobu

Okumura Masanobu (奥村政信, 1686–1764) was a Japanese ukiyo-e artist and publisher of the mid-Edo period, active in Edo and credited with inventing the perspective print and the pillar print.

Okun people

The Okun people are a Yoruba-speaking subgroup of northeastern Yorubaland near the Niger–Benue confluence, mainly in western Kogi State, Nigeria, comprising the Owe, Oworo, Ijumu, Bunu, and Yagba groups.

Okun's law

Okun's law is an empirical macroeconomic relationship stating that unemployment falls when real GDP grows faster than potential output, formulated by Arthur Okun in 1962.

Ōkunoshima (大久野島)

Ōkunoshima (大久野島), "Rabbit Island," is a small Hiroshima Prefecture island in the Seto Inland Sea, formerly a secret Imperial Japanese Army poison gas plant (1929–1945, ~6,500 tons) and now a tourist site with introduced feral European rabbits.