Aihara (written: 相原 or 粟飯原) is a Japanese surname. Notable people with the surname include:
*, Japanese manga artist
*, Japanese politician
*, Japanese manga artist
*, Japanese gymnast
*, Japanese footballer
*
Yusuke Aihara (born 1994), Japanese professional vert skater
*, Japanese gymnast
Fictional characters
* Aihara is used as an alias for
Shuichi Aizawa in ''Death Note''
*
Kotoko Aihara, the female protagonist in ''Itazura na Kiss''
* Aihara Mei and Aihara Yuzu in
Citrus (manga)
''Citrus'' (stylized as ''citrus'') is a Japanese ''yuri'' manga series written and illustrated by Saburouta. It was serialized in Ichijinsha's ''Comic Yuri Hime'' from November 2012 to August 2018 and is licensed in English by Seven Seas Ente ...
*, a character in anime and manga series ''
Haikyū!!''
{{surname
Japanese-language surnames