Jeff Lang (born 9 November 1969) is an Australian guitarist, songwriter, vocalist and music producer. Lang plays various types of guitar, both slide and standard, as well as banjo, mandolin, cümbüş and drums.

He is a three-time ARIA Award winner, for his albums Rolling Through This World (2002), Djan Djan (2010) and Carried in Mind (2012). Lang has performed at festivals all across the world including The Dublin Blues Festival, Philadelphia Folk Festival, Quebec City Music Festival, Falcon Ridge Folk Festival, Winterhawk Bluegrass Festival, Fuji Rock, Glastonbury, Echo Park China, Ottawa BluesFest as well as in Australia at Port Fairy, Woodford, Bluesfest Byron Bay and Womadelaide.

Lang approaches record deals on a record-by-record basis saying "I still own all my records. The early albums, like Cedar Grove, still come out through an independent distribution deal" and he picks his own musicians and how he wishes each record to sound.