Tigr may refer to:

  • TIGR, an anti-Fascist insurgent organization, active in the 1920–30s in the regions Italy was given by the Treaty of Rappallo after the First World War.
  • GAZ Tigr, a Russian high-mobility multipurpose military vehicle
  • Tigr Mennett, adult actress
  • The Institute for Genome Research, now a part of the J. Craig Venter Institute
  • Tactical Ground Reporting System, a military information-centric tool developed by DARPA
  • Trabecular meshwork inducible glucocorticoid response or MYOC, a human gene