| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obispado | city | San Luis Potosi | Mexico | 22.14 | -100.93 | 6145 | 139958 |
| Obregon | city | San Luis Potosi | Mexico | 21.91 | -99.60 | 3740 | 2661 |
| Obregón | city | San Luis Potosi | Mexico | 22.24 | -101.27 | 6742 | 1254 |
| Ocampo | city | San Luis Potosi | Mexico | 22.13 | -100.36 | 3723 | 2561 |
| Octzen | city | San Luis Potosi | Mexico | 21.67 | -99.01 | 173 | 11121 |
| Octzen | city | San Luis Potosi | Mexico | 21.62 | -98.96 | 1082 | 16946 |
| Ocuiltzapoyo | city | San Luis Potosi | Mexico | 21.32 | -98.73 | 830 | 17653 |
| Ojital | city | San Luis Potosi | Mexico | 21.62 | -98.67 | 157 | 13352 |
| Ojite | city | San Luis Potosi | Mexico | 21.92 | -98.54 | 72 | 2010 |
| Ojitos | city | San Luis Potosi | Mexico | 21.72 | -100.32 | 5869 | 2240 |
| Ojitos Agua Dulce | city | San Luis Potosi | Mexico | 21.72 | -100.32 | 5869 | 2240 |
| Ojo Caliente | city | San Luis Potosi | Mexico | 21.65 | -99.23 | 830 | 3955 |
| Ojo Caliente | city | San Luis Potosi | Mexico | 21.85 | -100.75 | 5869 | 7846 |
| Ojo Ciego | city | San Luis Potosi | Mexico | 23.13 | -101.22 | 6925 | 1825 |
| Ojo Frío | city | San Luis Potosi | Mexico | 22.19 | -99.31 | 1669 | 1791 |
| Ojo Zarco | city | San Luis Potosi | Mexico | 22.33 | -101.02 | 6167 | 19994 |
| Ojo Zarco | city | San Luis Potosi | Mexico | 22.29 | -101.26 | 7020 | 1836 |
| Ojo Zarco | city | San Luis Potosi | Mexico | 21.59 | -100.61 | 6709 | 2127 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.88 | -98.94 | 285 | 5186 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.96 | -99.11 | 830 | 9813 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.35 | -99.19 | 912 | 3648 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.44 | -100.09 | 3772 | 1246 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.19 | -100.50 | 4265 | 1341 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.06 | -101.20 | 7549 | 7822 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 23.16 | -100.69 | 5154 | 745 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 23.68 | -100.64 | 5180 | 16967 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.69 | -99.50 | 2591 | 1062 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.13 | -99.54 | 4566 | 1471 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.05 | -100.40 | 4189 | 4560 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.99 | -100.08 | 3349 | 19241 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.95 | -100.30 | 6190 | 1344 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.78 | -100.55 | 5928 | 2067 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.52 | -99.58 | 3349 | 1123 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 22.61 | -99.39 | 1669 | 1123 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 23.73 | -100.90 | 9228 | 594 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 23.58 | -100.94 | 6709 | 596 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.98 | -100.76 | 6709 | 3551 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.84 | -100.16 | 5029 | 1341 |
| Ojo de Agua | city | San Luis Potosi | Mexico | 21.63 | -100.58 | 6151 | 2273 |
| Ojo de Agua Seco | city | San Luis Potosi | Mexico | 21.85 | -100.07 | 3677 | 11149 |
| Ojo de Agua de Rodríguez | city | San Luis Potosi | Mexico | 23.47 | -100.84 | 7549 | 651 |
| Ojo de Agua de San Francisco | city | San Luis Potosi | Mexico | 21.56 | -99.19 | 4189 | 6227 |
| Ojo de Agua de Solano | city | San Luis Potosi | Mexico | 21.99 | -100.08 | 3349 | 19241 |
| Ojo de Agua de Tierra Nueva | city | San Luis Potosi | Mexico | 22.69 | -99.50 | 2591 | 1062 |
| Ojo de Agua de la Vieja | city | San Luis Potosi | Mexico | 22.37 | -99.34 | 2509 | 1192 |
| Ojo de Agua de las Flores | city | San Luis Potosi | Mexico | 21.83 | -100.61 | 6709 | 1937 |
| Ojo de Agua de las Trojas | city | San Luis Potosi | Mexico | 22.06 | -101.20 | 7549 | 7822 |
| Ojo de Agua del Llano | city | San Luis Potosi | Mexico | 22.53 | -101.24 | 7942 | 4183 |
| Ojo de Gato | city | San Luis Potosi | Mexico | 21.98 | -100.90 | 6148 | 16417 |
| Ojo de Pinto | city | San Luis Potosi | Mexico | 22.31 | -101.06 | 6709 | 11895 |
| Ojo de Venado | city | San Luis Potosi | Mexico | 23.76 | -101.39 | 7129 | 327 |
| Ojo del Gato | city | San Luis Potosi | Mexico | 21.98 | -100.90 | 6148 | 16417 |
| Ojox | city | San Luis Potosi | Mexico | 21.65 | -98.82 | 830 | 11049 |
| Ojox | city | San Luis Potosi | Mexico | 21.65 | -98.88 | 994 | 11432 |
| Ojtayo | city | San Luis Potosi | Mexico | 21.57 | -98.94 | 1669 | 20828 |
| Okinawa | city | San Luis Potosi | Mexico | 22.12 | -99.18 | 830 | 4470 |
| Olivos | city | San Luis Potosi | Mexico | 22.10 | -100.87 | 6112 | 139023 |
| Olla Alegre | city | San Luis Potosi | Mexico | 22.16 | -99.51 | 5029 | 1549 |
| Olla Verde | city | San Luis Potosi | Mexico | 22.30 | -99.33 | 2509 | 1192 |
| Olla del Durazno | city | San Luis Potosi | Mexico | 21.99 | -99.47 | 4265 | 1761 |
| Ollita de las Vacas | city | San Luis Potosi | Mexico | 22.66 | -99.64 | 5029 | 1112 |
| Ollita del Pino | city | San Luis Potosi | Mexico | 21.38 | -99.07 | 4412 | 10194 |
| Ordeña | city | San Luis Potosi | Mexico | 21.89 | -100.62 | 7549 | 1611 |
| Ordeñita | city | San Luis Potosi | Mexico | 21.53 | -100.57 | 6709 | 3076 |
| Organo | city | San Luis Potosi | Mexico | 21.58 | -99.80 | 3349 | 1945 |
| Oriental | city | San Luis Potosi | Mexico | 22.12 | -100.92 | 6148 | 142596 |
| Ortega | city | San Luis Potosi | Mexico | 21.70 | -100.45 | 5029 | 2719 |
| Oshlom Chijol | city | San Luis Potosi | Mexico | 21.60 | -98.82 | 830 | 11947 |
| Osmolón | city | San Luis Potosi | Mexico | 21.71 | -99.16 | 1722 | 4693 |
| Otate | city | San Luis Potosi | Mexico | 21.99 | -99.16 | 941 | 5025 |
| Otates | city | San Luis Potosi | Mexico | 21.99 | -99.16 | 941 | 5025 |
| Otlaxcuayo | city | San Luis Potosi | Mexico | 21.34 | -98.89 | 1141 | 46033 |
| Otlaxuaco | city | San Luis Potosi | Mexico | 21.43 | -98.85 | 406 | 11519 |
| Otlayo | city | San Luis Potosi | Mexico | 21.33 | -98.78 | 830 | 23101 |
| Otomite | city | San Luis Potosi | Mexico | 22.08 | -100.06 | 3418 | 2841 |
| Oxitipa | city | San Luis Potosi | Mexico | 21.62 | -98.99 | 242 | 14597 |
| Oxmolón | city | San Luis Potosi | Mexico | 21.71 | -99.16 | 1722 | 4693 |