|Date of birth:||July 31, 1980|
|Place of birth:||Higashiōsaka, Osaka, Japan|
Rina Aiuchi (愛内里菜 Aiuchi Rina) born July 31, 1980 in Higashiōsaka, Osaka, Japan is a retired female Japanese popular music singer. She wrote her own lyrics to her songs and self-produced in the last few years before retirement. She was previously affiliated with the GIZA Studio recording label.
 Song themes in Detective Conan
 Opening themes
- Koi wa Thrill, Shock, Suspense - Opening 8 (Episodes 205~230)
- I can't stop my love for you♥ - Opening 11 (Episodes 271~305)
- START - Opening 14 (Episodes 356~393)
- 100 Mono Tobira (feat. U-ka saegusa IN db) - Opening 18 (Episodes 438~456)
- MAGIC - Opening 27 (Episodes 547~564)
 Movie themes
- Dream x Dream - Movie 8 (Magician of the Silver Sky)
- Nanatsu no Umi o Wataru Kaze no Yō ni (feat. U-ka saegusa IN db) - Movie 11 (Jolly Roger in the Deep Azure)
- In The Case of the Furisode at the Hidden Hot Spring on a Snowy Night (Part 2), while sitting at the bar, START plays on the TV with an animated version of Rina Aiuchi singing it. She appears also in Aya Ueto and Shinichi - The Promise from 4 Years Ago.