| H of C |
House of Commons |
| HA |
Historical Association; Health Authority |
| HAA |
Heavy Anti-Aircraft |
| HAC |
Honourable Artillery Company |
| Hants |
Hampshire |
| HAT |
Housing Action Trust |
| HBM |
His/Her Britannic Majesty (Majesty's); Humming Bird Gold Medal (Trinidad) |
| HC |
High Commissioner |
| HCSC |
Higher Command and Staff Course |
| HE |
His/Her Excellency; His Eminence |
| HEA |
Health Education Authority |
| HEC |
Ecole des Hautes Etudes Commerciales; Higher Education Corporation |
| HEFCE |
Higher Education Funding Council for England |
| HEIC |
Honourable East India Company |
| HEICS |
Honourable East India Company's Service |
| Herefs |
Herefordshire |
| Herts |
Hertfordshire |
| HG |
Home Guard |
| HH |
His/Her Highness; His Holiness; Member, Hesketh Hubbard Art Society |
| HHA |
Historic Houses Association |
| HHD |
Doctor of Humanities (US) |
| HI |
Hawaii |
| Highrs |
Highlanders |
| HIH |
His/Her Imperial Highness |
| HIM |
His/Mer Imperial Majesty |
| Hist. |
History, -orical |
| Hldgs |
Holdings |
| HLI |
Highland Light Infantry |
| HM |
His/Her Majesty |
| HMAS |
His/Her Majesty's Australian Ship |
| HMC |
Headmasters' and Headmistresses' (formerly Headmasters') Conference; Hospital Management Committee |
| HMCS |
His/Her Majesty's Canadian Ship |
| HMOCS |
His/Her Majesty's Overseas Civil Service |
| HMS |
His/Her Majesty's Ship |
| HNC |
Higher National Certificate |
| Ho |
House |
| Ho Lds |
House of Lords |
| Hon |
Honourable; Honorary |
| Hons |
Honours |
| Hosp |
Hospital |
| HQ |
Headquarters |
| HRE |
Holy Roman Empire |
| HRGI |
Honorary Member, The Royal Glasgow Institute of the Fine Arts |
| HRH |
His/Her Royal Highness |
| HRSA |
Honorary Member, Royal Scottish Academy |
| HS |
High School |
| HSC |
Health and Safety Commission |
| HSE |
Health and Safety Executive |
| HSH |
His/Her Serene Highness |
| Hts |
Heights |
| Hum |
Humanity, Humanities (Classics) |
| Hunts |
Huntingdonshire |
| Hus |
Hussars |
| Hy |
Heavy |
