O (Cyrillic)

O (О, о) is the fourteenth letter in the Cyrillic alphabet. It sounds like [o].

Cyrillic letter O
Cyrillic alphabet
А	Б	В	Г	Ґ	Ѓ	Д
Ђ	Е	Ѐ	Ё	Є	Ж	З
Ѕ	И	Ѝ	І	Ї	Й	Ј
К	Ќ	Л	Љ	М	Н	Њ
О	П	Р	С	Т	Ћ	У
Ў	Ф	Х	Ц	Ч	Џ	Ш
Щ	Ъ	Ы	Ь	Э	Ю	Я
Non-Slavic letters
Ӑ	Ӓ	Ӕ	Ә	Ӛ	Ҕ	Ғ
Ӻ	Ӷ	Ԁ	Ԃ	Ӗ	Ӂ	Җ
Ӝ	Ԅ	Ҙ	Ӟ	Ԑ	Ӡ	Ԇ
Ӣ	Ҋ	Ӥ	Қ	Ӄ	Ҡ	Ҟ
Ҝ	Ԟ	Ԛ	Ӆ	Ԓ	Ԡ	Ԉ
Ԕ	Ӎ	Ӊ	Ң	Ӈ	Ҥ	Ԣ
Ԋ	Ӧ	Ө	Ӫ	Ҩ	Ҧ	Ҏ
Ԗ	Ҫ	Ԍ	Ҭ	Ԏ	Ӯ	Ӱ
Ӳ	Ү	Ұ	Ҳ	Ӽ	Ӿ	Һ
Ҵ	Ҷ	Ӵ	Ӌ	Ҹ	Ҽ	Ҿ
Ъ̀	Ӹ	Ҍ	Ӭ	Ԙ	Ԝ	Ӏ
Old letters
Ҁ	Ѻ	ОУ	Ѡ	Ѿ	Ꚇ	Ѣ
Ꙗ	Ѥ	Ѧ	Ѫ	Ѩ	Ѭ	Ѯ
Ѱ	Ѳ	Ѵ	Ѷ	Ꙟ
List of Cyrillic letters
Cyrillic digraphs

It came from the Greek letter omicron and is the same as the Roman letter O.