Rutger Gunnarsson (12 February 1946 – 8 May 2015) was a Swedish musician, bass guitarist, arranger and record producer. He was best known as a bassist for ABBA on tours and their albums, serving as a Kapellmeister. He also worked with artists including Celine Dion, Westlife, Elton John, Adam Ant, Bobbysocks, Gwen Stefani, Elin Lanto, Joyride and Alla Pugacheva.