Head - HV
- Head of Mission
- helicopter refuelling area
- helipad
- Helsinki Act
- Helsinki Document 1992
- HIDACZ
- High Commissioner for Refugees
- High Commissioner on National Minorities
- High Level Group
- High Representative of the Secretary General of the UN
- high-density airspace control zone
- high-density airspace control zones
- HLG
- HNS
- hold the line
