Master Chief

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), a character from the Halo series