Zer or ZER may refer to: Zer or Tser (צֵר), name of a city of the Naphtalites in Joshua 19:35 Zer, the name of the letter zayn (ز) in the Urdu alphabet Djer, the third pharaoh of the First Dynasty of Egypt Zer (film), a 2017 film by Kazim Öz Schuylkill County Airport, the IATA code for the airport in the United States Zero Airport, the IATA code for the airport in India