O (kana)

o
hiragana
japanese hiragana o
katakana
japanese katakana o
transliterationo
hiragana origin
katakana origin
Man'yōgana意 憶 於 應
spelling kana大阪のオ
(Ōsaka no "o")

In Japanese writing, the kana (hiragana) and (katakana) occupy the fifth place, between and , in the modern Gojūon (五十音) system of collating kana. In the Iroha, they occupy the 27th, between and . In the table at right (ordered by columns, from right to left), お lies in the first column (あ行, "column A") and the fifth row (お段, "row O"). Both represent [o].

Form Rōmaji Hiragana Katakana
Normal a/i/u/e/o
(あ行 a-gyō)
o
ou
oo
ō
おう, おぅ
おお, おぉ
おー
オウ, オゥ
オオ, オォ
オー