| Gabriel, Stoke | (SX8457) | Devonshire | England | |
| Gainford | (NZ1716) | Durham | England | |
| Galashiels | (NT4936) | Selkirkshire | Scotland | |
| Galloway | (NX4-6-) | [Unlocated] | Scotland | |
| Gander | (37.17500, -82.99167) | Kentucky | United States of America | |
| Garforth | (SE4033) | Yorkshire - West Riding | England | |
| Garrison | (G9451) | Fermanagh | Ireland | |
| Garsington | (SP5802) | Oxfordshire | England | |
| Garvagh | (C8415) | Londonderry | Ireland | |
| Garvagh district | (54.97544, -6.68894) | Londonderry | Ireland | |
| Gayle | (SD8789) | Yorkshire - North Riding | England | |
| Gentleshaw | (SK0511) | Staffordshire | England | |
| George Green | (SU9981) | Buckinghamshire | England | |
| Germoe | (SW5829) | Cornwall | England | |
| Gibbon, Marsh | (SP6423) | Buckinghamshire | England | |
| Gilmorton | (SP5787) | Leicestershire | England | |
| Girton | (SK8266) | Nottinghamshire | England | |
| Glasgow | (NS5964) | Lanarkshire | Scotland | |
| Glass House | (S6613) | Kilkenny | Ireland | |
| Glaston | (SK8900) | Rutland | England | |
| Glatton | (TL1586) | Huntingdonshire | England | |
| Glenarm | (D3115) | Antrim | Ireland | |
| Glencolumbkille | (G5385) | Donegal | Ireland | |
| Glenswilly | (C1010) | Donegal | Ireland | |
| Glenwhirry | (J2499) | Antrim | Ireland | |
| Gloucester | (SO8318) | Gloucestershire | England | |
| Glympton | (SP4221) | Oxfordshire | England | |
| Glynn | (S9625) | Wexford | Ireland | |
| Goathland | (NZ8301) | Yorkshire - North Riding | England | |
| Gobion, Yardley | (SP7644) | Northamptonshire and the Soke of Peterborough | England | |
| Godre'rgraig | (SN7507) | Glamorganshire | Wales | |
| Gonalston | (SK6847) | Nottinghamshire | England | |
| Gonerby, Great | (SK8938) | Lincolnshire | England | |
| Goring | (SU6080) | Oxfordshire | England | |
| Gortahork | (B9130) | Donegal | Ireland | |
| Gower | (SS5-9-) | Glamorganshire | Wales | |
| Gower, West | Glamorganshire | Wales | ||
| Goxhill | (TA1021) | Lincolnshire | England | |
| Graffham | (SU9216) | Sussex | England | |
| Gralam, Lostock | (SJ6974) | Cheshire | England | |
| Granby | (SK7536) | Nottinghamshire | England | |
| Gransden, Great | (TL2655) | Huntingdonshire | England | |
| Grasmere | (NY3307) | Westmorland | England | |
| Grassington | (SE0064) | Yorkshire - West Riding | England | |
| Grateley | (SU2741) | Hampshire and the Isle of Wight | England | |
| Great Badminton | (ST8082) | Gloucestershire | England | |
| Great Budworth | (SJ6677) | Cheshire | England | |
| Great Driffield | (TA0257) | Yorkshire - East Riding | England | |
| Great Everdon | (SP5957) | Northamptonshire and the Soke of Peterborough | England | |
| Great Gonerby | (SK8938) | Lincolnshire | England | |
| Great Gransden | (TL2655) | Huntingdonshire | England | |
| Great Hale | (TF1442) | Lincolnshire | England | |
| Great Malvern | (SO7745) | Worcestershire | England | |
| Great Oxendon | (SP7383) | Northamptonshire and the Soke of Peterborough | England | |
| Great Rollright | (SP3231) | Oxfordshire | England | |
| Great Shefford | (SU3875) | Berkshire | England | |
| Great Wolford | (SP2434) | Warwickshire | England | |
| Great Wyrley | (SJ9907) | Staffordshire | England | |
| Greatham | (NZ4927) | Durham | England | |
| Green, Dales | (SJ8556) | Staffordshire | England | |
| Green, George | (SU9981) | Buckinghamshire | England | |
| Green, Turnham | (TQ2078) | Middlesex | England | |
| Greenodd | (SD3182) | Lancashire | England | |
| Greens Norton | (SP6649) | Northamptonshire and the Soke of Peterborough | England | |
| Greenspond | (49.06778, -53.56944) | Newfoundland | Canada | |
| Greetland | (SE0821) | Yorkshire - West Riding | England | |
| Grendon Underwood | (SP6720) | Buckinghamshire | England | |
| Grenoside | (SK3394) | Yorkshire - West Riding | England | |
| Guilden Sutton | (SJ4568) | Cheshire | England | |
| Guisborough | (NZ6115) | Yorkshire - North Riding | England | |
| Guiting Power | (SP0924) | Gloucestershire | England | |
| Gunthorpe | (SK8096) | Lincolnshire | England | |
| Gunthorpe | (SK6844) | Nottinghamshire | England | |
| Gussage All Saints | (SU0010) | Dorset | England | |
| Gweedore | (B8422) | Donegal | Ireland |