Master Chief May refer to: Master chief petty officer, a military enlisted rate in the United States Navy and Coast Guard Master Chief Petty Officer of the Coast Guard, a unique non-commissioned rank and position in the United States Coast Guard Master Chief Petty Officer of the Navy, a unique non-commissioned rank of the United States Navy Master Chief Musician Master Chief Hospital Corpsman Master Chief (Halo), the protagonist of the Halo series
See also Master Chef (disambiguation)