Shun Oi, born in 1993, is a Japanese pianist, historical keyboard player and conductor.

He was awarded the First Prize and the Toshio Hosokawa Prize (nominated by composer) at the International Hiroshima International Conductors Competition in 2022, in Japan.

He began taking piano lessons at the age of four with Sonoko Hayashi, and also he took lessons by Akiyoshi Sako and Jacques Rouvier.

After obtaining a national diploma in piano from Conservatoire à rayonnement régional de Paris (CRR de Paris) with top honors in 2014 and an artistic diploma "Corso di Alta Formazione" in piano from Conservatorio di musica Agostino Sttefani in Castelfranco Veneto, he also received bachelor's and master's degrees in both conducting and piano from University Mozarteum in Salzburg, and Bachelor's degree in historically informed performance from University of Music and Performing Arts Munich in 2022. He enrolled in the postgraduate program in conducting at Mozarteum and in fortepiano at Schola Cantor Basiliensis and obtained the diplomas.

He studied conducting with Bruno Weil, Ion Marin, Alexander Drčar, Johannes Kalitzke (contemporary music), piano with Andreas Groethuysen, Akiyoshi Sako, Jacques Rouvier, Massimiliano Ferrati, harpsichord and fortepiano including basso continuo with Christine Schrnsheim, Edoardo Torbianelli and historically informed performance with Reinhard Goebel.

Until now he participated several masterclasses of piano with Menahem Pressler, Ferenc Rados, and Alexander Koblin, of conducting with Peter Gülke, and Vladimir Fedoseyev, and of historically informed performance with Clive Brown.

Shun was a fellow of the Yamaha Music Foundation (2018-20) and of the Rohm Music Foundation (2023). He has frequently performed as soloist and conductor with orchestras such as the Mozarteum Orchestra Salzburg, Bad Reichenhaller Philharmonie, Meininger Hofkapelle, La Musique des Gadien de la Paix à Paris, Yomiuri-Nippon Symphony Orchestra, Tokyo Metropolitan Symphony Orchestra, Tokyo Symphony Orchestra, Tokyo Philharomic Orchestra, New Japan Philharmonic, Gunma Symphony Orchestra, Kyoto-City Symphony Orchestra, Osaka Philharmonic Orchestra, Osaka Symphony Orchestra, Hiroshima Symphony Orchestra, Hiroshima Wind Orchestra, and so on. Also he has been invited many music festivals such as La folle journée, Szeged International Music Festival, Tokyo Metropolitan Arts Festival and Takefu International Music Festival.

As a universal musician with a wide range of activities, he not only gave a recital at the Imperial Palace (State Guest Houses "Geihinkan") on the Erard from the Imperial Property, but also appears frequently on television and radio such as ORF (Austrian National Broadcasting) , and other media, and writes for a number of well-known magazines in Japan.