MS may refer to: Ms., an honorific title for women Ms. (magazine), an American feminist magazine .ms, the Internet country code top-level domain for Montserrat Manuscript, a hand-written document Mato Grosso do Sul, a state in Brazil Mississippi, a state in the United States of America Milestone, a roadside distance marker In medicine: Multiple sclerosis, a chronic, inflammatory, demyelinating disease In emergency medicine an abbreviation for MS Contin. In science and technology: Surf… (More on Ms)