IVS is an abbreviation that can mean: Incredible Value Services Organizations Indus Valley School of Art and Architecture, Karachi, Pakistan International Vedanta Society, an Advaita Vedantic organization based in India International Voluntary Service, an international volunteering organisation based in the United Kingdom. International Voluntary Services, a private international volunteer organization NV Ingenieurskantoor voor Scheepsbouw, a dummy company set up after World War I in order to maintain and develop German submarine know-how International Viola Society, an international organization dedicated to players of the viola Biology and medicine Intervening sequence, a nucleotide sequence within a gene that is removed by RNA splicing while the final mature RNA product of a gene is being generated Interventricular septum, a part of the heart Intravaginal slingplasty Other International Valuation Standards, technical and ethical standards for the conduct of valuations Indus Valley Script, short strings of symbols associated with the Indus Valley Civilization Ideographic Variation Selectors or Ideographic Variation Sequence, variation selector for, or variation sequence of, Ideographic characters in Unicode