RIAS or Rias may refer to:
Organisations Recording Industry Association Singapore Research Institute for Advanced Studies, the former research facility created by the Glenn L. Martin Company Rundfunk im amerikanischen Sektor (Broadcasting in the American Sector), a radio and television station in West Berlin, Germany Deutsches Symphonie-Orchester Berlin (formerly the RIAS Symphonie-Orchester), a broadcast orchestra based in Berlin RIAS Kammerchor, a choir founded as a radio choir and based in Berlin Royal Incorporation of Architects in Scotland, a professional body
Other uses Regulatory impact analysis statement, a description of the impact of new Canadian federal regulations Remote infrared audible signage, for the blind Reynolds Intellectual Assessment Scales, an intelligence test Rias Gremory, a fictional character in the High School DxD franchise Rias Line, a railway line in Japan
See also RIA (disambiguation) Rías Altas, a section of A Costa do Marisco (the Seafood Coast) in Galicia, Spain Rías Baixas, a series of four estuarine inlets located on the southwestern coast of Galicia, Spain