| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oballos | city | Coahuila de Zaragoza | Mexico | 27.44 | -101.37 | 1669 | 218 |
| Obayos | city | Coahuila de Zaragoza | Mexico | 27.44 | -101.37 | 1669 | 218 |
| Obelisco | city | Veracruz | Mexico | 22.21 | -98.22 | 111 | 1192 |
| Obenala | city | Sonora | Mexico | 29.37 | -110.48 | 1194 | 298 |
| Obergen Villa | city | Distrito Federal | Mexico | 19.36 | -99.20 | 7549 | 694135 |
| Obiachi | city | Sonora | Mexico | 29.06 | -111.78 | 127 | 894 |
| Obispado | city | San Luis Potosi | Mexico | 22.14 | -100.93 | 6145 | 139958 |
| Obispo | city | Nuevo Leon | Mexico | 25.55 | -99.65 | 830 | 674 |
| Obispo | city | Sinaloa | Mexico | 24.31 | -107.10 | 291 | 5826 |
| Obispo | city | Oaxaca | Mexico | 18.10 | -95.93 | 75 | 18880 |
| Obispo | city | Sonora | Mexico | 28.48 | -109.66 | 1669 | 66 |
| Obispo | city | Baja California | Mexico | 24.77 | -111.10 | 830 | 476 |
| Obispo | city | Zacatecas | Mexico | 21.63 | -103.21 | 7903 | 1585 |
| Obispo | city | Guerrero | Mexico | 17.27 | -98.65 | 6745 | 3268 |
| Obispo | city | Chiapas | Mexico | 16.45 | -92.79 | 1669 | 1765 |
| Obligados | city | Chihuahua | Mexico | 26.80 | -105.70 | 5908 | 0 |
| Obompich | city | Yucatan | Mexico | 20.02 | -88.93 | 95 | 596 |
| Obradores | city | Puebla | Mexico | 19.24 | -98.57 | 9228 | 2324 |
| Obraje de Ixtla | city | Guanajuato | Mexico | 20.67 | -100.61 | 6709 | 18016 |
| Obrajuelito | city | Queretaro | Mexico | 20.48 | -100.39 | 6709 | 40932 |
| Obrajuelo | city | Guanajuato | Mexico | 20.59 | -100.56 | 5869 | 17394 |
| Obrajuelo | city | Guanajuato | Mexico | 20.11 | -100.85 | 6076 | 11405 |
| Obrajuelos | city | Guanajuato | Mexico | 20.11 | -100.85 | 6076 | 11405 |
| Obregon | city | San Luis Potosi | Mexico | 21.91 | -99.60 | 3740 | 2661 |
| Obregon | city | Yucatan | Mexico | 20.21 | -89.29 | 154 | 16983 |
| Obregon | city | Michoacan de Ocampo | Mexico | 19.04 | -102.97 | 1669 | 1937 |
| Obregon | city | Sonora | Mexico | 27.49 | -109.94 | 121 | 51471 |
| Obregueño | city | Chihuahua | Mexico | 27.63 | -105.28 | 4189 | 0 |
| Obregón | city | San Luis Potosi | Mexico | 22.24 | -101.27 | 6742 | 1254 |
| Obregón | city | Chiapas | Mexico | 17.40 | -93.01 | 1742 | 6370 |
| Obregón | city | Puebla | Mexico | 18.68 | -97.98 | 5869 | 4351 |
| Obrera | city | Veracruz | Mexico | 20.06 | -97.04 | 262 | 46066 |
| Obrera | city | Michoacan de Ocampo | Mexico | 19.33 | -101.92 | 3408 | 11038 |
| Obrera | city | Chiapas | Mexico | 14.91 | -92.27 | 830 | 37792 |
| Obrera | city | Michoacan de Ocampo | Mexico | 19.58 | -102.46 | 4455 | 34559 |
| Obrera | city | Michoacan de Ocampo | Mexico | 19.63 | -102.49 | 4265 | 27397 |
| Obrera | city | Michoacan de Ocampo | Mexico | 19.81 | -101.80 | 6709 | 57612 |
| Obrera | city | Puebla | Mexico | 19.23 | -97.80 | 7857 | 12346 |
| Obrera | city | Veracruz | Mexico | 18.80 | -97.19 | 4376 | 34704 |
| Obrera | city | Veracruz | Mexico | 17.97 | -94.71 | 164 | 35687 |
| Obrera | city | Veracruz | Mexico | 17.94 | -94.28 | 164 | 5282 |
| Obrera | city | Michoacan de Ocampo | Mexico | 20.35 | -102.04 | 5367 | 46394 |
| Obrera | city | Tamaulipas | Mexico | 23.73 | -99.13 | 977 | 88042 |
| Obrera Campesina | city | Puebla | Mexico | 19.06 | -98.17 | 7549 | 358394 |
| Obrera Dos | city | Jalisco | Mexico | 20.89 | -103.83 | 4189 | 20040 |
| Obrera Textil Jose Abascal | city | Puebla | Mexico | 19.08 | -98.24 | 6952 | 144882 |
| Obrera Uno | city | Jalisco | Mexico | 20.89 | -103.83 | 4189 | 20196 |
| Obrero | city | Veracruz | Mexico | 18.99 | -96.78 | 1751 | 11113 |
| Obrero Popular | city | Distrito Federal | Mexico | 19.47 | -99.17 | 7549 | 800504 |
| Obrero Popular y Su Ampliacion | city | Distrito Federal | Mexico | 19.47 | -99.17 | 7549 | 800504 |
| Obreros Independientes Norte | city | Puebla | Mexico | 19.10 | -98.24 | 6932 | 136771 |
| Obreros Independientes Sur | city | Puebla | Mexico | 19.10 | -98.24 | 6932 | 139451 |
| Obrogen Villa | city | Distrito Federal | Mexico | 19.36 | -99.20 | 7549 | 694135 |
| Obscuras | city | Durango | Mexico | 22.69 | -104.40 | 6102 | 447 |
| Obscuro | city | Sinaloa | Mexico | 25.80 | -108.46 | 154 | 9388 |
| Obscuro | city | Oaxaca | Mexico | 16.53 | -97.36 | 3349 | 1388 |
| Obsidiana | city | Puebla | Mexico | 19.07 | -98.27 | 6994 | 98105 |