O, Unicode subscripts and superscripts, Octonion, Fraktur, Ordinal indicator, Enclosed Alphanumeric Supplement, Enclosed Alphanumerics, Ò, Oʻ, Ɵ, Ǫ, Ó, Ơ, Mid back rounded vowel, Õ, ⱺ, Ø, Inverted breve, Open O, O', Ǫ́, Mid front rounded vowel, Bilabial click, Ö, O͘, Breve, Circumflex, Ꝍ, Vietnamese alphabet, Dot (diacritic), Livonian language, Mid central vowel, Ogonek, Macron (diacritic), International Phonetic Alphabet, Double acute accent, Hook above, Nasal vowel, Finno-Ugric transcription, Double grave accent, Diethyl ether
Shift Out and Shift In characters, Cedilla, Scribal abbreviation, Open-mid back rounded vowel, Ring (diacritic), R-colored vowel, Nasal bilabial click, Small caps, Caron, O,O′-Diacetyldopamine, P&O, O visa, O,O′-Dipivaloyldopamine, O (disambiguation), O-methylated flavonoid, O Antiphons, O-GlcNAc, O A e o Z, Douglas O-38, O-Acetylbufotenine, O class, O line, O lucenti, o sereni occhi, O series, O-Pivalylbufotenine, Big O notation, Tai O, Pui O, O Come, O Come, Emmanuel, Ping-O-Tronic, Big O, O. Henry Award, Haplogroup O-M119, O-ring, O (Cyrillic), O Tannenbaum, O Tempo e o Vento, Ó Paí, Ó, O-type star, P&O Cruises, Isoflavone-7-O-beta-glucoside 6"-O-malonyltransferase, O le Ao o le Malo, O-demethylpuromycin O-methyltransferase, P&O Princess Cruises, Flavonol-3-O-beta-glucoside O-malonyltransferase, O-linked glycosylation, Kamen Rider Den-O + Shin-O, Pig-hoo-o-o-o-ey, Ó Rothláin, O-Acetylserine
O, Unicode subscripts and superscripts, Octonion, Fraktur, Ordinal indicator, Enclosed Alphanumeric Supplement, Enclosed Alphanumerics, Ò, Oʻ, Ɵ, Ǫ, Ó, Ơ, Mid back rounded vowel, Õ, ⱺ, Ø, Inverted breve, Open O, O', Ǫ́, Mid front rounded vowel, Bilabial click, Ö, O͘, Breve, Circumflex, Ꝍ, Vietnamese alphabet, Dot (diacritic), Livonian language, Mid central vowel, Ogonek, Macron (diacritic), International Phonetic Alphabet, Double acute accent, Hook above, Nasal vowel, Finno-Ugric transcription, Double grave accent, Diethyl ether, Shift Out and Shift In characters, Cedilla, Scribal abbreviation, Open-mid back rounded vowel, Ring (diacritic), R-colored vowel, Nasal bilabial click, Small caps, Caron, O,O′-Diacetyldopamine, P&O, O visa, O,O′-Dipivaloyldopamine, O (disambiguation), O-methylated flavonoid, O Antiphons, O-GlcNAc, O A e o Z, Douglas O-38, O-Acetylbufotenine, O class, O line, O lucenti, o sereni occhi, O series, O-Pivalylbufotenine, Big O notation, Tai O, Pui O, O Come, O Come, Emmanuel, Ping-O-Tronic, Big O, O. Henry Award, Haplogroup O-M119, O-ring, O (Cyrillic), O Tannenbaum, O Tempo e o Vento, Ó Paí, Ó, O-type star, P&O Cruises, Isoflavone-7-O-beta-glucoside 6"-O-malonyltransferase, O le Ao o le Malo, O-demethylpuromycin O-methyltransferase, P&O Princess Cruises, Flavonol-3-O-beta-glucoside O-malonyltransferase, O-linked glycosylation, Kamen Rider Den-O + Shin-O, Pig-hoo-o-o-o-ey, Ó Rothláin, O-Acetylserine, O-Bi, O-Ba: The End of Civilization, Daddy-O, Google I/O, Vitexin 2"-O-rhamnoside 7-O-methyltransferase, Cyanidin 3-O-rutinoside 5-O-glucosyltransferase, Ó Lochlainn, Ó Sé, Asynchronous I/O, Protein O-GlcNAcase, O-type main-sequence star, Cyanidin-3-O-glucoside 2-O-glucuronosyltransferase, Delphinidin 3',5'-O-glucosyltransferase, Lycoming O-235, Memory-mapped I/O and port-mapped I/O, O scale, Tam o' Shanter, Anti-streptolysin O, Anthocyanin 3-O-glucoside 6''-O-hydroxycinnamoyltransferase, O (German magazine), HNLMS O 20, Yeshe-Ö, THC-O-acetate, Haplogroup O-M175, Cyrillic O variants, The Big O, Double-O, Handley Page Type O, O tempora, o mores!, P&O Ferries, USS O-12, W/o, Shibuya O-East, O... Saya, Jack-o'-lantern, Continental O-200, Te Pīhopatanga o Te Upoko o Te Ika, Yam O, Te o Tsunagō/Ai o Utaō, Subdwarf O star, Bit-O-Honey, Séamus Ó Fearghail, USS O-7, Lycoming O-290, I/O scheduling, Domnall Ó Cuindlis, O Silêncio Q Precede O Esporro, Anthocyanin 5-O-glucoside 6'''-O-malonyltransferase, 'O pere e 'o musso, Douglas O-2, Te Pīhopatanga o Te Manawa o Te Wheke, Jell-O Gallery, Páidí Ó Sé, Punk-O-Rama, O, The Oprah Magazine, Heme O, O‑Level, Five-O, Beta-glucogallin—tetrakisgalloylglucose O-galloyltransferase, O-Bahn Busway, Luteolin-7-O-diglucuronide 4'-O-glucuronosyltransferase