- Mark Dagley -- Mark Darkfeather
- Mark Darnell -- Mark David Williams
- Mark Davidson -- Mark de Jong
- Mark de Shields -- Mark Deffenbaugh
- Mark DeGliAntoni -- Mark Deutrom
- Mark Deutsch -- Mark Dinning
- Mark Diodati -- Mark Donikian
- Mark Donkers -- Mark Drake
- Mark Dresser -- Mark Dufresne Band
- Mark Duggan -- Mark Duval
- Mark Du'velle Doyle -- Mark E. Johnson
- Mark E. Rees -- Mark Ebel
- Mark Eden -- Mark Eisenman
- Mark Eitzel -- Mark Emerick
- Mark Emerson -- Mark Ernestus
- Mark Erwin -- Mark Evans
- Mark Evarts -- Mark Farner's N'rg Band
- Mark Farnia -- Mark Ferguson
- Mark Fewer -- Mark Fitzgibbon