| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| One Arm Point | city | Western Australia | Australia | -16.45 | 123.06 | 0 | 0 |
| One Arm Point Airport | airport | -16.43 | 123.05 | 0 | |||
| One Hawkeye Mobile Home Park | city | Washington | United States | 48.09 | -122.82 | 196 | |
| One Hoe | city | Sint Maarten | 18.05 | -63.03 | 3 | 39956 | |
| One House Farm | city | KwaZulu-Natal | South Africa | -29.43 | 30.77 | 3553 | 4783 |
| One Hundred Acre Lots | city | Matabeleland North | Zimbabwe | -20.21 | 28.73 | 4507 | 76988 |
| One Hundred Fifty Mile House | city | British Columbia | Canada | 52.12 | -121.93 | 2509 | 2055 |
| One Hundred Forty-nine Six Right Gharbi | city | Punjab | Pakistan | 29.50 | 73.17 | 830 | 26964 |
| One Hundred Heliport | airport | -23.59 | -46.68 | 2550 | 0 | ||
| One Hundred Mile House | city | British Columbia | Canada | 51.65 | -121.28 | 3349 | 1503 |
| One Hundred Mile House Airport | airport | 51.64 | -121.31 | 3055 | 0 | ||
| One Hundred One Pines | city | Washington | United States | 47.31 | -122.04 | 830 | |
| One Hundred Palms | city | California | United States | 33.56 | -116.17 | -1689 | |
| One Hundred Thirty - Eighth Park Mobile Estates | city | Washington | United States | 47.13 | -122.45 | 328 | |
| One Hundred Twenty-Nine | city | Punjab | Pakistan | 31.74 | 73.25 | 830 | 57125 |
| One Hundred Twenty-nine - Six Right / One Left | city | Punjab | Pakistan | 29.41 | 72.85 | 830 | 26938 |
| One Hundred and One Ranch | city | Missouri | United States | 38.35 | -90.67 | 830 | |
| One Man | city | Grand Gedeh | Liberia | 6.28 | -8.28 | 830 | 19043 |
| One Mile | city | Queensland | Australia | -27.63 | 152.75 | 351 | 49800 |
| One Mile | city | Arizona | United States | 36.80 | -112.05 | 6003 | |
| One Mile Yard | city | Queensland | Australia | -16.08 | 143.01 | 259 | 0 |
| One North Place | city | Louisiana | United States | 32.61 | -93.84 | 183 | |
| One Oak | city | Eastern Cape | South Africa | -32.63 | 26.26 | 1965 | 81 |
| One One | city | Aceh | Indonesia | 4.60 | 96.86 | 5029 | 27165 |
| One One | city | Central | Papua New Guinea | -10.35 | 149.51 | 3 | 320 |
| One River Place Colonia | city | Texas | United States | 27.40 | -99.48 | 400 | |
| One Tree | city | New South Wales | Australia | -30.03 | 142.03 | 830 | 0 |
| One Tree | city | New South Wales | Australia | -34.19 | 144.72 | 272 | 0 |
| One Tree | city | KwaZulu-Natal | South Africa | -27.82 | 30.06 | 4373 | 67852 |
| One Tree Hill | city | South Australia | Australia | -34.70 | 138.77 | 830 | 12847 |
| One Tree Hill | city | KwaZulu-Natal | South Africa | -28.14 | 29.96 | 5029 | 405 |
| One Tree Hill | city | Mpumalanga | South Africa | -25.54 | 31.66 | 1131 | 937 |