Ilkka Aunu (b. 1993) is a Finnish composer, conductor and tenor.

The music of Ilkka Aunu is characterised by a strong Finnish voice. He combines the expressive traditions of classical music with the innovations of contemporary musical language. His work draws on the stories, landscapes and cultural heritage of his native Finland, reflecting both its joys and triumphs and its sorrows and trials.

Aunu graduated with a Master of Music in Composition and Music Theory from the Sibelius Academy in 2023 and completed a second Master of Music in Conducting in 2025. His composition teachers have included Jaakko Kortesharju, Tapani Länsiö and Lauri Kilpiö. He studied conducting with Petri Komulainen and has participated in master classes with Jorma Panula, Matti Hyökki and Carsten Seyer-Hansen.

His music has been performed in Finland, Canada, Sweden and the United States by leading choirs, ensembles and orchestras, including EMO Ensemble, Helsinki Chamber Choir, Tapiola Choir, Viipurin Lauluveikot, Kaartin soittokunta and Tapiola Sinfonietta. Since January 2026, he has served as conductor of the Lapland Military Band. As a guest conductor, he has conducted Jyväskylä Sinfonia and Kymi Sinfonietta, as well as all five professional military bands of the Finnish Defence Forces and the Helsinki Police Band.

Aunu has made a significant contribution to the Finnish choral scene both as a singer and conductor. He has served as a tenor section leader in EMO Ensemble and Liiton Miehet. From 2017 to 2025, he was artistic director of Viipurin Lauluveikot, one of Finland’s oldest male voice choirs. He has served as artistic director of the Finnish Male Choir Association since 2024.