HRT is a TLA that can stand for:

• Hartwell Railroad – AAR reporting mark HRT
• Hormone replacement therapy
  • Hormone replacement therapy for Censored page people
• Hostage Rescue Team
• A Croatian terrestrial public television and radio company "Hrvatska Radio Televizija" (Croatian Radio Television), cf. HRT 1, HRT 2

This page expands a two-letter combination or a three-letter abbreviation/acronym (TLA). It aims to include all uses.