Idir may refer to:
People Ali Idir (born 1966), Algerian judoka Idir (singer) (1949–2020), Algerian singer-songwriter and musician Idir Khourta (born 1986), French-born Algerian table tennis player Idir Ouali (born 1988), French-Algerian football player Jamel Aït Ben Idir (born 1984), French-Moroccan football player Mustafa Ait Idir (born 1970), terrorist Thomas Idir or Sinik (born 1980), French-language rap artist
Places Idir, Iran (disambiguation) Îdir or Iğdır, Turkey