| G/Capt |
Group Captain |
| GA |
Geologists' Association; Gaelic Athletic (Club); Georgia |
| GB |
Great Britain, used chiefly of creations of titles of honour of |
| GBA |
Governing Bodies Association |
| GBE |
Knight or Dame Grand Cross, Order of the British Empire |
| GC |
George Cross |
| GCB |
Knight/Dame Grand Cross of the Order of the Bath |
| GCH |
Knight Grand Cross, Hanoverian Order |
| GCIE |
Knight Grand Commander, Order of the Indian Empire |
| GCLJ |
Grand Cross, St Lazarus of Jerusalem |
| GCM |
Gold Crown of Merit (Barbados) |
| GCMG |
Knight or Dame Grand Cross, Order of St Michael and St George |
| GCSI |
Knight Grand Commander of the Order of the Star of India |
| GCStJ |
Bailiff or Dame Grand Cross, Most Venerable Order of the Hospital of St John of Jerusalem |
| GCVO |
Knight or Dame Grand Cross, Royal Victorian Order |
| gdau |
grand-daughter |
| GDC |
General Dental Council |
| Gdn(s) |
Garden(s) |
| GDR |
German Democratic Republic |
| Gd(s) |
Guard(s) |
| Gen |
General |
| GER |
Great Eastern Railway |
| gf |
grandfather |
| ggdau |
great-grand-daughter |
| ggf |
great-grandfather |
| gggf |
great-great-grandfather |
| ggggf |
great-great-great-grandfather |
| gggs |
great-great-grandson, etc |
| ggmother |
great-grandmother |
| ggs |
great-grandson |
| GGSM |
Graduate in Music, Guildhall School of Music and Drama |
| GHQ |
General Headquarters |
| Gib |
Gibraltar |
| GIMechE |
Graduate, Institution of Mechanical Engineers |
| GLC |
Greater London Council |
| Glos |
Gloucestershire |
| GM |
George Medal; Grand Medal (Ghana) |
| GMB |
(Union for) General, Municipal, Boilermakers |
| GMBATU |
General, Municipal, Boilermakers and Allied Trades Union |
| GmbH |
Gesellschaft mit beschrankter Haftung |
| GMC |
General Medical Council; Guild of Memorial Craftsmen; General Management Course (Henley) |
| GMWU |
General and Municipal Workers' Union |
| gn |
great-nephew/-niece |
| Gns |
Guineas |
| GOC |
General Officer Commanding |
| Govr |
Governor |
| Govt |
Government |
| GP |
General Practitioner; Grand Prix |
| GPDST |
Girls' Public Day School Trust |
| GPMU |
Graphical, Paper and Media Union |
| GPO |
General Post Office |
| GR |
General Reconaissance |
| Gren |
Grenadier |
| GRSM |
Graduate, Royal Schools of Music |
| GS |
General Staff; Grammar School |
| GSM |
General Service Medal; (Member of) Guildhall School of Music and Drama |
| GSO |
General Staff Officer |
| Gt |
Great |
| GWR |
Great Western Railway |
