Onpu or ONPU may refer to:
*
Odesa National Polytechnic University, a university in Odesa, Ukraine
* Japanese term for the
phonetic component of a kanji character (Chinese character)
* Japanese for
musical note, often used for characters such as ♪ (see
List of Japanese typographic symbols#Other special marks)
*
Onpu Segawa, a.k.a. Ellie Craft, a character in ''
Ojamajo Doremi''
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