Demar Bernstine, professionally known as Turf Talk, is a rapper from Vallejo, California. He is a cousin of iconic Bay Area rapper E-40, and was signed to 40’s Sick Wid It label for a number of years.

Turf Talk was one of the last rappers to have a feature from the prominent now-deceased Vallejo rapper Mac Dre, with Dre appearing on Turf Talk’s song Hubba Rock off of his September 2004 album, The Street Novelist.