| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ubaltic | city | Chiapas | Mexico | 16.80 | -92.95 | 4189 | 8965 |
| Ubilio Garcia | city | Chiapas | Mexico | 17.08 | -91.47 | 1669 | 1490 |
| Ucumiljá | city | Chiapas | Mexico | 16.91 | -92.16 | 5869 | 8815 |
| Ulapa | city | Chiapas | Mexico | 15.39 | -92.79 | 311 | 4157 |
| Ulapa | city | Chiapas | Mexico | 15.38 | -92.77 | 288 | 5784 |
| Ulolyakun-Ha | city | Chiapas | Mexico | 17.51 | -92.02 | 308 | 10645 |
| Uluzas | city | Chiapas | Mexico | 17.20 | -92.35 | 2693 | 13288 |
| Unesco | city | Chiapas | Mexico | 16.85 | -93.74 | 3349 | 2682 |
| Unesco | city | Chiapas | Mexico | 16.83 | -93.74 | 3405 | 2682 |
| Unidad Independencia | city | Chiapas | Mexico | 15.37 | -92.44 | 3569 | 8002 |
| Unidad Proletaria Emiliano Zapata | city | Chiapas | Mexico | 14.87 | -92.26 | 354 | 36224 |
| Unidad y Fuerza | city | Chiapas | Mexico | 14.88 | -92.31 | 318 | 38648 |
| Uninajab | city | Chiapas | Mexico | 16.10 | -92.16 | 3438 | 5601 |
| Union | city | Chiapas | Mexico | 16.53 | -93.93 | 2509 | 2682 |
| Union Agrarista | city | Chiapas | Mexico | 16.47 | -93.67 | 2080 | 1523 |
| Union Altamira | city | Chiapas | Mexico | 15.48 | -92.45 | 5905 | 7159 |
| Union Azapac | city | Chiapas | Mexico | 17.26 | -93.40 | 1669 | 4383 |
| Union Buenavista | city | Chiapas | Mexico | 15.58 | -92.34 | 4189 | 6109 |
| Union Buenavista | city | Chiapas | Mexico | 15.44 | -92.23 | 8530 | 11565 |
| Union Costa Rica | city | Chiapas | Mexico | 15.28 | -92.50 | 1669 | 9460 |
| Union Jamaica | city | Chiapas | Mexico | 15.34 | -92.53 | 1154 | 9381 |
| Union Juarez | city | Chiapas | Mexico | 16.13 | -93.28 | 2509 | 7478 |
| Union Juarez | city | Chiapas | Mexico | 16.22 | -93.66 | 4189 | 1980 |
| Union Letrero | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6919 |
| Union Pijijiapan | city | Chiapas | Mexico | 15.67 | -93.06 | 898 | 2501 |
| Union Progreso | city | Chiapas | Mexico | 15.59 | -92.23 | 5905 | 9851 |
| Union San Lucas | city | Chiapas | Mexico | 15.50 | -92.32 | 6089 | 7709 |
| Union Victoria | city | Chiapas | Mexico | 16.30 | -92.03 | 5442 | 17655 |
| Union Villa Nueva | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6905 |
| Union Yashemel | city | Chiapas | Mexico | 16.92 | -92.51 | 5328 | 13511 |
| Union Yaxgemel | city | Chiapas | Mexico | 16.92 | -92.51 | 5328 | 13511 |
| Union del Progreso | city | Chiapas | Mexico | 17.28 | -93.55 | 830 | 4438 |
| Union los Olivos | city | Chiapas | Mexico | 15.52 | -92.80 | 1814 | 2086 |
| Universitario | city | Chiapas | Mexico | 14.89 | -92.28 | 406 | 38049 |
| Universo | city | Chiapas | Mexico | 14.87 | -92.26 | 354 | 36224 |
| Unión Buena Vista | city | Chiapas | Mexico | 16.49 | -92.82 | 1850 | 4644 |
| Unión Buenavista | city | Chiapas | Mexico | 15.80 | -92.54 | 5193 | 3337 |
| Unión Buenavista | city | Chiapas | Mexico | 16.53 | -92.37 | 7549 | 10439 |
| Unión Buenavista | city | Chiapas | Mexico | 16.00 | -93.23 | 2509 | 1490 |
| Unión Buenavista | city | Chiapas | Mexico | 15.38 | -92.54 | 2624 | 10848 |
| Unión Buenavista | city | Chiapas | Mexico | 15.29 | -92.40 | 2828 | 7716 |
| Unión Campesina | city | Chiapas | Mexico | 16.16 | -92.36 | 2509 | 3725 |
| Unión Carrizal | city | Chiapas | Mexico | 15.63 | -93.30 | 62 | 2533 |
| Unión Guadalupe | city | Chiapas | Mexico | 16.20 | -92.31 | 2509 | 3413 |
| Unión Hermosillo | city | Chiapas | Mexico | 15.30 | -92.55 | 1669 | 7731 |
| Unión Hidalgo | city | Chiapas | Mexico | 17.36 | -92.60 | 2509 | 11095 |
| Unión Juárez | city | Chiapas | Mexico | 15.06 | -92.08 | 4265 | 15640 |
| Unión Juárez | city | Chiapas | Mexico | 17.39 | -92.63 | 830 | 10184 |
| Unión Juárez | city | Chiapas | Mexico | 16.13 | -91.93 | 5219 | 5309 |
| Unión Juárez | city | Chiapas | Mexico | 17.28 | -92.40 | 4189 | 11004 |
| Unión Juárez | city | Chiapas | Mexico | 16.12 | -93.56 | 4593 | 1490 |
| Unión Juárez | city | Chiapas | Mexico | 15.50 | -92.40 | 5869 | 6923 |
| Unión Letero | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6919 |
| Unión Mexicana | city | Chiapas | Mexico | 15.02 | -92.27 | 1669 | 36135 |
| Unión Miramar | city | Chiapas | Mexico | 14.94 | -92.35 | 377 | 33475 |
| Unión Puyucum | city | Chiapas | Mexico | 17.10 | -92.51 | 1669 | 9173 |
| Unión Roja | city | Chiapas | Mexico | 15.05 | -92.22 | 1906 | 28888 |
| Unión San Lucas | city | Chiapas | Mexico | 15.51 | -92.32 | 5869 | 7018 |
| Unión Villaflores | city | Chiapas | Mexico | 15.29 | -92.39 | 2509 | 7542 |
| Unión Y Progreso | city | Chiapas | Mexico | 16.67 | -92.93 | 1696 | 5767 |
| Unión y Progreso | city | Chiapas | Mexico | 16.48 | -93.32 | 2624 | 5215 |
| Unión y Progreso | city | Chiapas | Mexico | 15.91 | -93.50 | 318 | 0 |
| Uralla | city | Chiapas | Mexico | 16.49 | -93.63 | 1932 | 1552 |
| Urania | city | Chiapas | Mexico | 16.23 | -93.17 | 2057 | 4246 |
| Urbina | city | Chiapas | Mexico | 15.04 | -92.21 | 1955 | 29082 |
| Urbina | city | Chiapas | Mexico | 15.70 | -93.25 | 239 | 10001 |
| Ursula Galván | city | Chiapas | Mexico | 17.45 | -93.01 | 830 | 5968 |
| Ursulo Galvan | city | Chiapas | Mexico | 16.28 | -93.42 | 2509 | 3711 |
| Ursulo Galván | city | Chiapas | Mexico | 17.24 | -92.04 | 984 | 5546 |
| Ursulo Galván | city | Chiapas | Mexico | 17.31 | -92.03 | 912 | 4599 |
| Ursulo Galván | city | Chiapas | Mexico | 17.37 | -91.69 | 830 | 2403 |
| Usipa | city | Chiapas | Mexico | 17.50 | -92.44 | 1669 | 4458 |
| Usumacinta | city | Chiapas | Mexico | 16.90 | -93.08 | 1059 | 6503 |
| Uxyoquet | city | Chiapas | Mexico | 17.02 | -92.19 | 3349 | 4962 |
| Uzum Buenavista | city | Chiapas | Mexico | 16.32 | -92.04 | 5869 | 13447 |