Tad Marks (born 1954) is an American folk and Bluegrass fiddle player.
He spent his youth in Ambler, PennsylvaniaPlayed and performed with Bob Doyle and the Allegheny String Band, the Twigg Brothers, Hazel Dickens, Ola Belle Reed, Wade and Julia Mainer, many folk, bluegrass and Country artists. Marks studied music composition and arts at Penn State University,won numerous awards for fiddling, and is currently a violin repairman and bluegrass /folk fiddler in the Baltimore/Washington DC area.
Marks has performed and toured with many bluegrass, country and Celtic acts and is widely recorded. In addition to his work with the Del McCoury Band; Marks has performed with Lynn Morris, James King, Kate MacKenzie, Charlie Zahm, Bob Perilla's Big Hillbilly Bluegrass.