Ö O Ó Ɵ Open-mid back rounded vowel Ǫ Mid back rounded vowel Inverted breve Ò Oʻ Õ Mid front rounded vowel Ơ Breve Ǫ́ Circumflex Ø Open O Vietnamese alphabet ⱺ O' O͘ Dot (diacritic) Ꝍ International Phonetic Alphabet Unicode subscripts and superscripts Bilabial click Diethyl ether Hook above Ordinal indicator Mid central vowel Scribal abbreviation Macron (diacritic) Livonian language Shift Out and Shift In characters Double grave accent Ogonek Double acute accent Uralic Phonetic Alphabet Cedilla R-colored vowel Octonion Nasal vowel Fraktur Enclosed Alphanumerics Ring (diacritic) Small caps Nasal bilabial click Enclosed Alphanumeric Supplement Caron P&O O …
visa O-methylated flavonoid O (disambiguation) O A e o Z O Antiphons Douglas O-38 Oly O-GlcNAc O class O line Pui O O lucenti, o sereni occhi O. Henry Award O series Tai O Big O O Tempo e o Vento O Come, O Come, Emmanuel Big O notation Ping-O-Tronic Yeshe-Ö O Tannenbaum Haplogroup O-M119 O-ring Ó Paí, Ó O le Ao o le Malo Ó Rothláin O (Cyrillic)
O
Ó
Ɵ
Open-mid back rounded vowel
Ǫ
Mid back rounded vowel
Inverted breve
Ò
Oʻ
Õ
Mid front rounded vowel
Ơ
Breve
Ǫ́
Circumflex
Ø
Open O
Vietnamese alphabet
ⱺ
O'
O͘
Dot (diacritic)
Ꝍ
International Phonetic Alphabet
Unicode subscripts and superscripts
Bilabial click
Diethyl ether
Hook above
Ordinal indicator
Mid central vowel
Scribal abbreviation
Macron (diacritic)
Livonian language
Shift Out and Shift In characters
Double grave accent
Ogonek
Double acute accent
Uralic Phonetic Alphabet
Cedilla