MRS, Mrs, or mrs may refer to: Magnetic resonance spectroscopy Mandibular repositioning splint Marginal rate of substitution, in economics Maritime Reaction Squadron of the South African Navy Market Research Society Marseille Provence Airport (IATA airport code) Materials Research Society Melbourne Rectangular Stadium Minimal recursion semantics Modified Rankin Scale, to measure disability after stroke Monks Risborough railway station, England (National Rail station code) Movimiento Renovador Sandinista, a political party in Nicaragua, see Sandinista Renovation Movement Mrs., an honorific title for married women MRS Logística, a freight rail company in Brazil MRS suit, breathing apparatus, see Siebe Gorman#Rebreather equipment SQL Server Reporting Services, a Microsoft Reporting Services computer technology to create data reports MRS agar, a bacterial growth medium for Lactobacilli mrs, abbreviation for maravedis (monetary unit or coin) M.R.S. (Most Requested Show), Filipino TV show (As Mrş) abbreviation for Mareşal, the highest rank in the Army of Turkey M. Rs., pen-name of Swedish writer Mathilda Roos (1852-1908) The Mrs, U.S. pop-rock band Molecular Recognition Section as a Drug prefix, e.g. MRS5698. See also Missus (disambiguation) Miss (disambiguation) MR (disambiguation) MS (disambiguation)