En todo el mundo existen al menos 31 ciudades llamadas San Juan. A continuación se encuentra la información geográfica de todas estas ciudades.
| # | País | Región | Ciudad | Coordenadas |
|---|---|---|---|---|
| 1 | México | Sinaloa | San Juan | 23.879, -106.324 |
| 2 | Estados Unidos | Nuevo México | San Juan | 36.052, -106.068 |
| 3 | México | Michoacán de Ocampo | San Juan | 19.136, -102.438 |
| 4 | México | Zacatecas | San Juan | 23.014, -102.382 |
| 5 | México | México | San Juan | 19.247, -100.03 |
| 6 | México | Nuevo León | San Juan | 25.543, -99.841 |
| 7 | México | Hidalgo | San Juan | 20.051, -98.665 |
| 8 | Estados Unidos | Texas | San Juan | 26.189, -98.155 |
| 9 | México | Tabasco | San Juan | 18.41, -92.981 |
| 10 | Costa Rica | Alajuela Province | San Juan | 10.102, -84.317 |
| 11 | Costa Rica | San José | San Juan | 9.962, -84.079 |
| 12 | Panamá | Chiriquí Province | San Juan | 8.28, -81.995 |
| 13 | Panamá | Veraguas Province | San Juan | 8.303, -81.013 |
| 14 | Ecuador | Los Ríos | San Juan | -1.667, -79.767 |
| 15 | Ecuador | Chimborazo Province | San Juan | -1.634, -78.783 |
| 16 | Perú | Cajamarca | San Juan | -7.292, -78.498 |
| 17 | Perú | Huancavelica | San Juan | -13.203, -75.635 |
| 18 | Perú | Ayacucho | San Juan | -14.66, -74.202 |
| 19 | Perú | Loreto | San Juan | -3.776, -73.281 |
| 20 | Argentina | San Juan | San Juan | -31.538, -68.536 |
| 21 | Puerto Rico | San Juan | San Juan | 18.466, -66.106 |
| 22 | Bolivia | Chuquisaca | San Juan | -21.267, -65.3 |
| 23 | Filipinas | Central Luzon | San Juan | 15.29, 120.065 |
| 24 | Filipinas | Ilocos | San Juan | 17.742, 120.458 |
| 25 | Filipinas | Cordillera | San Juan | 17.683, 120.732 |
| 26 | Filipinas | Metro Manila | San Juan | 14.6, 121.033 |
| 27 | Filipinas | Calabarzon | San Juan | 14.057, 121.229 |
| 28 | Filipinas | Cagayan Valley | San Juan | 17.406, 121.747 |
| 29 | Filipinas | Western Visayas | San Juan | 10.387, 122.865 |
| 30 | Filipinas | Central Visayas | San Juan | 9.16, 123.493 |
| 31 | Filipinas | Eastern Visayas | San Juan | 11.001, 124.539 |