| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fundo Ojo Pelado | city | Apure | Venezuela | 7.25 | -70.87 | 830 | 745 |
| Fundo Ojo de Agua | city | Falcon | Venezuela | 10.88 | -69.28 | 1955 | 2282 |
| Fundo Ojo de Agua | city | Guarico | Venezuela | 9.59 | -67.59 | 830 | 298 |
| Fundo Ojo de Aqua | city | Barinas | Venezuela | 8.49 | -69.20 | 249 | 611 |
| Fundo Olivar | city | La Libertad | Peru | -8.22 | -78.65 | 5029 | 1957 |
| Fundo Olivares | city | Piura | Peru | -5.30 | -80.65 | 98 | 4553 |
| Fundo Onocora | city | Cusco | Peru | -14.24 | -71.26 | 11984 | 16082 |
| Fundo Oriente | city | Zulia | Venezuela | 8.78 | -72.51 | 278 | 14386 |
| Fundo Oripopo | city | Amazonas | Venezuela | 5.72 | -67.58 | 830 | 1615 |
| Fundo Oripopos | city | Apure | Venezuela | 7.69 | -68.76 | 209 | 298 |
| Fundo Orocopiche | city | Cojedes | Venezuela | 10.04 | -68.23 | 2004 | 24878 |
| Fundo Orongo | city | Ica | Peru | -14.38 | -75.20 | 3349 | 772 |
| Fundo Oronguillo | city | Ica | Peru | -14.37 | -75.19 | 4189 | 790 |
| Fundo Orumogalanes | city | Zulia | Venezuela | 9.09 | -72.42 | 52 | 447 |
| Fundo Orégano | city | Anzoategui | Venezuela | 8.25 | -63.54 | 242 | 1010 |
| Fundo Oscurote | city | Aragua | Venezuela | 9.54 | -66.75 | 830 | 894 |