Circumflex
Ö
O
Ó
Ɵ
Ǫ
Open-mid back rounded vowel
Ơ
Oʻ
Mid back rounded vowel
Õ
Open O
Ò
Inverted breve
Ǫ́
O'
Mid front rounded vowel
Vietnamese alphabet
ⱺ
Breve
Ꝍ
Unicode subscripts and superscripts
O͘
Ø
Macron (diacritic)
Ordinal indicator
Mid central vowel
Double acute accent
Bilabial click
International Phonetic Alphabet
Scribal abbreviation
Cedilla
Dot (diacritic)
Nasal vowel
Double grave accent
R-colored vowel
Livonian language
Hook above
Enclosed Alphanumerics
Ogonek
Diethyl ether
Finno-Ugric transcription
Shift Out and Shift In characters
Ring (diacritic)
Fraktur
Octonion
Enclosed Alphanumeric Supplement
Nasal bilabial click
Small caps
Caron
Ô Môn district
France Ô
Soleil O
Ô Long Vỹ
O Antiphons
Ô Lâm
Ô ăn quan
Saint-Geniez-ô-Merle
Ry Tanindrazanay malala ô!
O Cameroon, Cradle of Our Forefathers
Ô Canada! mon pays, mes amours
Ô-de-Selle
O,O′-Diacetyldopamine
Geneviève Castrée
P&O
O visa
O (disambiguation)
O-methylated flavonoid
O,O′-Dipivaloyldopamine
O Canada
O A e o Z
O Superman
Oly
O-GlcNAc
Douglas O-38
O-Acetylbufotenine
O class
O line
O lucenti, o sereni occhi
Big O notation
Pui O
O. Henry Award
Tai O
O series
Big O
Ping-O-Tronic
O-ring
O Come, O Come, Emmanuel
O-Pivalylbufotenine
Yeshe-Ö
O Tannenbaum
Haplogroup O-M119
O Tempo e o Vento
O (Cyrillic)
Ó Paí, Ó
Belle nuit, ô nuit d'amour
P&O Cruises
O le Ao o le Malo
Onna Keirin-ō
O-type star
O-linked glycosylation
O-Bi, O-Ba: The End of Civilization
P&O Princess Cruises
Isoflavone-7-O-beta-glucoside 6"-O-malonyltransferase
O-demethylpuromycin O-methyltransferase
Daddy-O
Pig-hoo-o-o-o-ey
Flavonol-3-O-beta-glucoside O-malonyltransferase
Subdwarf O star
Google I/O
Ó Rothláin
O-Acetylserine
Kamen Rider Den-O + Shin-O
The Big O
Ô mon bel inconnu
Ó Lochlainn
Ó Sé
Vitexin 2"-O-rhamnoside 7-O-methyltransferase
O-Zone
Asynchronous I/O
O Houria
O-Acetylpsilocin
Delphinidin 3',5'-O-glucosyltransferase
Cyanidin 3-O-rutinoside 5-O-glucosyltransferase
Cyrillic O variants
Lycoming O-235
Anthocyanin 3-O-glucoside 6''-O-hydroxycinnamoyltransferase
Tam o' Shanter
THC-O-acetate
Memory-mapped I/O and port-mapped I/O
Anti-streptolysin O
O-type main-sequence star
Haplogroup O-M268
O scale
O tempora, o mores!
O (German magazine)
HNLMS O 20
The Marquise of O
Cyanidin-3-O-glucoside 2-O-glucuronosyltransferase
Jack-o'-lantern
Handley Page Type O
Protein O-GlcNAcase
W/o
O... Saya
Haplogroup O-M175
Shibuya O-East
O Silêncio Q Precede O Esporro
Double-O
Te Pīhopatanga o Te Upoko o Te Ika
Domnall Ó Cuindlis
P&O Ferries
'O pere e 'o musso
Heme O
Yam O
Te Pīhopatanga o Te Manawa o Te Wheke
Te o Tsunagō/Ai o Utaō
O Man
Lycoming O-290
Punk-O-Rama
USS O-12
USS O-7
O-Bahn Busway
Continental O-200
Séamus Ó Fearghail
O, The Oprah Magazine
Douglas O-2
Ō clan
I/O scheduling
Jell-O Gallery
Beta-glucogallin O-galloyltransferase
Oyster omelette
O-aew
Ō-yoroi
Jell-O
Ádhamh Ó Cianáin
Luteolin-7-O-diglucuronide 4'-O-glucuronosyltransferase
Mícheál Ó Cléirigh
Beta-glucogallin—tetrakisgalloylglucose O-galloyltransferase
Anthocyanin 5-O-glucoside 6'''-O-malonyltransferase
Five-O
5-O-Methylmyricetin
Páidí Ó Sé
Triple-O
O family
Diarmaid Ó Donnchadha
Tseung Kwan O line
Steve O.
Man o' war
Channel I/O
O with tilde (Cyrillic)
DxO Labs
Oreo O's
Antoine Ó Raifteiri
T and O map
Sunn O)))
O 12-class submarine
Máirtín Ó Direáin
Lycoming O-320
Doyle O-2 Oriole
Flavanone 7-O-glucoside 2"-O-beta-L-rhamnosyltransferase