Aarno Raninen was a Finnish singer, songwriter and musician. His main instrument was piano but he has also mastered violin, cello and accordion.
Born in Kotka, Raninen began his musical studies at a young age. After he moved to Helsinki in 1966 he got a job as a studio conductor at Musiikki-Fazer. While working there he made a lot of cooperative work with the likes of songwriter Juha Vainio. Later on Raninen went to work in Discophon where he wrote lyrics for many Finnish musicians, such as Seija Simola, Carola, Tauno Palo, Vesa-Matti Loiri, Monica Aspelund, Heikki Kinnunen, Arja Koriseva, Erkki Liikanen and the Soitinmenot-ensemble.
An important acquaintance for Raninen has been the songwriter for film and television, Pertti "Pertsa" Reponen. Raninen set the music for at least the following Reponen's TV-series: Älyvapaa palokunta 1983-85, Soitinmenot 1985-87, Kolmannen korvapuusti 1994-95, Paha yskä 1990-92 and Jäitä hattuun. He also set the music for feature films such as Pölhölä, Vääpeli KörmyVääpeli Körmy ja vetenalaiset vehkeet, Auvo ja Kultsi - Kliffaa Hei, Liian iso keikka, Vääpeli Körmy ja marsalkan sauva and Rampe ja Naukkis.