Dennis Diken (born February 25, 1957) is an American drummer, DJ, author, music historian, and founding member of the band the Smithereens, which he formed in 1980 with Pat DiNizio, Jim Babjak, and Mike Mesaros in Carteret, New Jersey. Besides playing with the Smithereens, Diken is a fill-in DJ on WFMU as well as a liner notes author and reissue project researcher.As a musician, Diken has recorded or toured with, among others, Ronnie Spector, Dave Davies, Nancy Sinatra, Mary Weiss of the Shangri-Las and Ben E. King, and worked with musicians such as Dave Amels and R. Stevie Moore.