| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ibarlucea | city | Santa Fe | Argentina | -32.85 | -60.79 | 39 | 65013 |
| Inca | city | Santa Fe | Argentina | -29.13 | -61.90 | 209 | 335 |
| Independencia | city | Santa Fe | Argentina | -29.37 | -61.73 | 216 | 0 |
| Ingeniero Chanourdie | city | Santa Fe | Argentina | -28.77 | -59.53 | 118 | 447 |
| Intiyaco | city | Santa Fe | Argentina | -28.68 | -60.07 | 167 | 149 |
| Irigoyen | city | Santa Fe | Argentina | -32.16 | -61.11 | 104 | 596 |
| Irigoyen | city | Santa Fe | Argentina | -32.17 | -61.16 | 118 | 596 |
| Iriondo | city | Santa Fe | Argentina | -31.31 | -60.76 | 68 | 15892 |
| Isla El Simbolar | city | Santa Fe | Argentina | -32.03 | -60.75 | 6 | 603 |
| Isla Las Flores | city | Santa Fe | Argentina | -32.12 | -60.83 | 62 | 596 |
| Isla Las Tejas al Sur | city | Santa Fe | Argentina | -32.09 | -60.79 | 39 | 596 |
| Isla Los Blancos al Sur | city | Santa Fe | Argentina | -32.10 | -60.74 | 26 | 750 |
| Isla Tejas al Centro | city | Santa Fe | Argentina | -32.04 | -60.79 | 16 | 596 |
| Isleta Linda | city | Santa Fe | Argentina | -28.77 | -61.06 | 164 | 0 |
| Isletas las Estacas | city | Santa Fe | Argentina | -31.26 | -60.41 | 42 | 0 |
| Iturraspe | city | Santa Fe | Argentina | -32.42 | -61.79 | 341 | 298 |