Police Scotland is investigating the death of a female and the separate death of a male at the T in the Park festival at Strathallan Castle in Perthshire.
The deaths are being treated as unexplained, the Press Association reports, and police are working to establish the exact circumstances surrounding them.
Police were unable to comment further at this stage.
Campers began arriving on Thursday for the three-day event which will see The Stone Roses headline on Friday.