Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Nelson Canal | Canal | 3 | Iberia | 29 58 46 N | 091 46 58 W |
| New Bethel Baptist Church | Church | 6 | Iberia | 30 00 14 N | 091 49 29 W |
| New Iberia | Populated Place | 6 | Iberia | 30 00 13 N | 091 49 07 W |
| New Iberia City Hall | Building | 5 | Iberia | 30 00 12 N | 091 48 47 W |
| New Iberia City Park | Park | 5 | Iberia | 30 00 19 N | 091 48 37 W |
| New Iberia Freshman High School | School | 5 | Iberia | 29 59 56 N | 091 51 26 W |
| New Iberia High School | School | 4 | Iberia | 29 59 00 N | 091 48 42 W |
| New Iberia Post Office | Post Office | 5 | Iberia | 30 00 10 N | 091 48 46 W |
| New Iberia Praise and Worship Center | Church | 7 | Iberia | 30 01 27 N | 091 50 08 W |
| New Iberia Southern Drainage Canal | Canal | 0 | Iberia | 29 56 54 N | 091 50 15 W |
| New Life Worship Center | Church | 8 | Iberia | 30 01 22 N | 091 49 45 W |
| Nicholas | Populated Place | 3 | Iberia | 29 57 51 N | 091 52 44 W |
| Norbert | Populated Place | 3 | Iberia | 29 58 45 N | 091 53 49 W |
| Norris Branch Canal | Canal | 2 | Iberia | 29 59 55 N | 091 57 03 W |
| North Bayou Pigeon Oil Field | Oilfield | 2 | Iberia | 30 02 56 N | 091 21 47 W |
| North Loisel Gas Field | Oilfield | 0 | Iberia | 29 59 03 N | 091 37 45 W |
| North Street Elementary School | School | 7 | Iberia | 30 01 07 N | 091 49 40 W |
| Numa | Populated Place | 2 | Iberia | 29 58 37 N | 091 53 30 W |
| Number 1 Cemetery | Cemetery | 6 | Iberia | 30 02 59 N | 091 43 51 W |
| Oasis Plantation (historical) | Locale | 6 | Iberia | 30 02 56 N | 091 56 30 W |
| Old River | Stream | | Iberia | 29 56 41 N | 091 15 42 W |
| Olivier | Populated Place | 6 | Iberia | 29 58 32 N | 091 45 21 W |
| Oubre | Populated Place | 5 | Iberia | 30 03 45 N | 091 44 12 W |
| Our Lady of Perpetual Help Catholic Church | Church | 6 | Iberia | 30 00 05 N | 091 50 04 W |
| Our Lady of the Lake Catholic Church | Church | 2 | Iberia | 29 56 58 N | 091 59 22 W |
| Our Lady of Victory Catholic Church | Church | 4 | Iberia | 29 55 04 N | 091 39 49 W |
| Our Lady of Victory Catholic Church | Church | 6 | Iberia | 30 03 16 N | 091 44 11 W |
| Oyster Bayou | Gut | 0 | Iberia | 29 28 44 N | 091 49 21 W |
| Oyster Lake | Lake | 8 | Iberia | 29 31 32 N | 091 52 07 W |
| Park Elementary School | School | 6 | Iberia | 30 01 02 N | 091 50 05 W |
| Patout Canal | Canal | 1 | Iberia | 29 52 17 N | 091 43 40 W |
| Patoutville | Populated Place | 2 | Iberia | 29 54 13 N | 091 44 01 W |
| Peche Coulee | Stream | | Iberia | 29 58 26 N | 091 35 04 W |
| Peebles Coulee | Stream | | Iberia | 29 53 60 N | 091 50 17 W |
| Peebles Elementary School | School | 2 | Iberia | 29 55 51 N | 091 49 05 W |
| Pelican Point | Cape | 0 | Iberia | 29 47 50 N | 091 51 15 W |
| Pemilton School | School | 5 | Iberia | 29 59 46 N | 091 48 40 W |
| Pesson | Populated Place | 1 | Iberia | 29 56 56 N | 091 50 41 W |
| Pesson Addition Elementary School | School | 5 | Iberia | 29 59 44 N | 091 49 06 W |
| Petite Anse Canal | Canal | 2 | Iberia | 29 55 10 N | 091 54 58 W |
| Pharr Canal | Canal | 4 | Iberia | 29 58 11 N | 091 46 00 W |
| Plantation Lake | Lake | 10 | Iberia | 29 48 16 N | 091 47 50 W |
| Porpoise Point | Cape | 0 | Iberia | 29 35 21 N | 092 01 10 W |
| Port of Iberia | Populated Place | 2 | Iberia | 29 56 32 N | 091 50 30 W |
| Possum Bayou | Stream | | Iberia | 30 01 34 N | 091 14 25 W |
| Poufette | Populated Place | 1 | Iberia | 29 56 36 N | 091 55 51 W |
| Poufette Canal | Canal | 1 | Iberia | 29 56 45 N | 091 55 33 W |
| Power House Spur | Locale | 5 | Iberia | 29 58 56 N | 091 46 16 W |
| Prairie Au Large | Area | 1 | Iberia | 29 56 16 N | 091 51 45 W |
| Pumpkin Point | Cape | 1 | Iberia | 30 03 06 N | 091 16 06 W |
| Roadside Full Gospel Church | Church | 5 | Iberia | 29 59 31 N | 091 48 44 W |
| Roberts School | School | 5 | Iberia | 29 59 27 N | 091 50 05 W |
| Robin Elementary School | School | 5 | Iberia | 29 55 13 N | 091 40 29 W |
| Rodere Canal | Canal | 1 | Iberia | 29 57 45 N | 091 50 57 W |
| Romero Branch Canal | Canal | 2 | Iberia | 30 02 07 N | 091 56 31 W |
| Round Island | Island | 2 | Iberia | 29 59 06 N | 091 31 40 W |
| Russell Sage Foundation-Marsh Island State Wildlife Refuge | Park | 0 | Iberia | 29 32 27 N | 091 48 46 W |
| Rynella | Populated Place | 2 | Iberia | 29 56 48 N | 091 52 33 W |
| Saint Charles Street Elementary School | School | 4 | Iberia | 29 55 06 N | 091 39 52 W |
| Saint Edward Catholic Church | Church | 6 | Iberia | 30 00 05 N | 091 49 35 W |
| Saint Edward School | School | 6 | Iberia | 30 00 08 N | 091 49 32 W |
| Saint James United Methodist Church | Church | 6 | Iberia | 30 00 11 N | 091 49 03 W |
| Saint John Church | Church | 4 | Iberia | 30 01 24 N | 091 43 14 W |
| Saint John the Evangelist Catholic Church | Church | 5 | Iberia | 29 54 57 N | 091 40 12 W |
| Saint Johns Cemetery | Cemetery | 4 | Iberia | 29 54 48 N | 091 40 20 W |
| Saint Joseph Catholic Church | Church | 6 | Iberia | 30 03 19 N | 091 44 16 W |
| Saint Joseph Cemetery | Cemetery | 2 | Iberia | 29 55 25 N | 091 48 04 W |
| Saint Joseph Church | Church | 3 | Iberia | 29 54 59 N | 091 47 01 W |
| Saint Josephs School | School | 5 | Iberia | 29 54 51 N | 091 40 11 W |
| Saint Marcellus Catholic Church | Church | 2 | Iberia | 29 56 31 N | 091 53 01 W |
| Saint Mark Baptist Church | Church | 5 | Iberia | 29 55 32 N | 091 40 50 W |
| Saint Marks Church | Church | 3 | Iberia | 29 56 26 N | 091 41 29 W |
| Saint Matthews Church | Church | 3 | Iberia | 29 54 47 N | 091 44 02 W |
| Saint Nicholas Catholic Church | Church | 3 | Iberia | 29 54 24 N | 091 43 56 W |
| Saint Paul United Church of Christ | Church | 6 | Iberia | 30 00 14 N | 091 49 20 W |
| Saint Paul United Methodist Church | Church | 5 | Iberia | 29 54 44 N | 091 40 10 W |
| Saint Peter Catholic Church | Church | 6 | Iberia | 30 00 27 N | 091 49 17 W |
| Saint Peter Church | Church | 4 | Iberia | 29 53 32 N | 091 40 16 W |
| Saint Thomas Church | Church | 6 | Iberia | 29 57 05 N | 091 46 51 W |
| Saline Wood Pond | Lake | 2 | Iberia | 29 53 15 N | 091 54 24 W |
| Sally Shoal | Bar | 0 | Iberia | 29 39 23 N | 091 52 16 W |
| Sampsons Cove | Bay | -3 | Iberia | 30 01 35 N | 091 38 33 W |
| Sandager | Populated Place | 6 | Iberia | 29 57 27 N | 091 43 20 W |
| Sandager Canal | Canal | 2 | Iberia | 29 56 57 N | 091 43 41 W |
| Sandy Bottom Pond | Lake | 8 | Iberia | 29 48 51 N | 091 47 57 W |
| Sandy Point | Cape | 0 | Iberia | 29 59 52 N | 091 36 27 W |
| Santiague | Populated Place | 2 | Iberia | 29 59 06 N | 091 54 15 W |
| Scat Lake | Lake | -3 | Iberia | 29 33 48 N | 091 47 34 W |
| Sediment Pond | Reservoir | 5 | Iberia | 30 01 19 N | 091 48 42 W |
| Sediment Pond Dam | Dam | 5 | Iberia | 30 01 19 N | 091 48 42 W |
| Segura | Populated Place | 6 | Iberia | 30 02 19 N | 091 51 28 W |
| Segura Branch Canal | Canal | 1 | Iberia | 30 00 39 N | 091 54 14 W |
| Shadows of the Teche | Building | 6 | Iberia | 30 00 16 N | 091 48 59 W |
| Shark Bayou | Stream | | Iberia | 29 44 30 N | 091 51 22 W |
| Shark Island | Island | 1 | Iberia | 29 45 41 N | 091 51 22 W |
| Shaw (historical) | Populated Place | 2 | Iberia | 30 03 06 N | 091 41 29 W |
| Shaw Island | Island | 2 | Iberia | 29 59 29 N | 091 30 23 W |
| Sheephead Bayou | Stream | | Iberia | 29 46 26 N | 091 50 10 W |
| Shell Keys | Island | 0 | Iberia | 29 25 01 N | 091 51 19 W |
| Shell Keys National Wildlife Refuge | Park | 0 | Iberia | 29 25 05 N | 091 51 19 W |
| Smith Bayou | Stream | | Iberia | 29 59 32 N | 091 25 57 W |
| Solid Rock Baptist Church | Church | 7 | Iberia | 30 01 05 N | 091 49 35 W |
| South Eagle Pointe | Cape | 1 | Iberia | 29 58 11 N | 091 36 50 W |
| South Point | Cape | 0 | Iberia | 29 29 23 N | 091 45 52 W |
| South Tigre Lagoon Gas Field | Oilfield | 0 | Iberia | 29 49 09 N | 091 56 44 W |
| Southeast Avery Island Oil and Gas Field | Oilfield | 1 | Iberia | 29 52 36 N | 091 50 30 W |
| Spanish Lake | Lake | 2 | Iberia | 30 02 43 N | 091 51 06 W |
| Spanish Lake Dam | Dam | 2 | Iberia | 30 02 43 N | 091 51 06 W |
| Spencer School | School | 9 | Iberia | 29 54 04 N | 091 54 37 W |
| Star Pilgrim Baptist Church | Church | 6 | Iberia | 30 00 11 N | 091 49 17 W |