Jan Erik Tage "Janne" Schaffer (born 24 September 1945) is a Swedish songwriter and guitarist.

He is best known for his work as a session guitarist for ABBA but he has also recorded with artists such as Bob Marley, Johnny Nash, Art Farmer and Tony Williams.

Schaffer's 1979 album Earmeal included session work from brothers Jeff, Steve and Mike Porcaro, as well as their father, Joe Porcaro.

Schaffer is a member of the Electric Banana Band where he plays guitar as the character 'Zebra'.

[1] Schaffer received the Albin Hagström Memorial Award in 1999 and in 2005 Illis quorum.