The white lurcher was discovered abandoned in a tent during the festival clean-up last week. It was taken to the nearby Happy Landings animal shelter, where she was dubbed Dolly in honour of the 'Jolene' hitmaker, who was the star turn of the 2014 event, reported Ace Showbiz.
Parton, 68, has now offered to adopt the dog if its owner does not claim her.
"I had my manager call the Happy Landings animal shelter to make sure the dog is being treated and cared for properly.