Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Hurricane Creek | Stream | | Winn | 31 51 39 N | 092 37 25 W |
| Hurricane Creek | Stream | | Winn | 31 58 01 N | 092 52 54 W |
| Hurricane Creek Church | Church | 49 | La Salle | 31 35 59 N | 092 14 43 W |
| Hurricane Creek Church | Church | 52 | Winn | 32 01 09 N | 092 43 02 W |
| Hurricane Creek Oil Field | Oilfield | 27 | Beauregard | 30 35 35 N | 093 10 30 W |
| Hurricane Grove Church | Church | 65 | Winn | 32 02 48 N | 092 29 53 W |
| Hurricane School | School | 118 | Claiborne | 32 35 38 N | 092 56 22 W |
| Hurricane School (historical) | School | 85 | Washington | 30 54 41 N | 090 07 00 W |
| Hurricane Slough | Gut | 27 | Franklin | 32 20 45 N | 091 32 21 W |
| Hurried Branch | Stream | | Bienville | 32 31 17 N | 093 07 15 W |
| Hurst Cemetery | Cemetery | 93 | St. Helena | 30 59 03 N | 090 47 34 W |
| Hurst Landing Strip | Airport | 89 | St. Helena | 30 56 10 N | 090 34 18 W |
| Hurst United Methodist Church | Church | 7 | Iberville | 30 17 11 N | 091 14 22 W |
| Husser | Populated Place | 44 | Tangipahoa | 30 40 46 N | 090 20 14 W |
| Husser Post Office | Post Office | 45 | Tangipahoa | 30 40 43 N | 090 20 13 W |
| Hutchinson Cemetery | Cemetery | 17 | Livingston | 30 32 01 N | 090 37 32 W |
| Hutchinson Cemetery | Cemetery | 73 | St. Helena | 30 52 04 N | 090 38 24 W |
| Hutchinson Cemetery | Cemetery | 22 | Tangipahoa | 30 35 22 N | 090 31 05 W |
| Hutchison Creek | Stream | | St. Helena | 30 51 41 N | 090 39 04 W |
| Huth Canal | Canal | 0 | Terrebonne | 29 30 08 N | 090 56 27 W |
| Hutnance School (historical) | School | 30 | Natchitoches | 31 30 44 N | 092 43 59 W |
| Hutook Lake | Lake | 11 | Catahoula | 31 18 52 N | 091 54 31 W |
| Hutton | Populated Place | 76 | Vernon | 31 19 50 N | 093 01 57 W |
| Hyacinth Terrace (subdivision) | Populated Place | 12 | East Baton Rouge | 30 24 23 N | 091 08 35 W |
| Hyams | Populated Place | 37 | Natchitoches | 31 50 14 N | 093 07 14 W |
| Hyatt Branch | Stream | | Natchitoches | 31 25 34 N | 093 10 23 W |
| Hyatt Cemetery | Cemetery | 26 | Beauregard | 30 29 56 N | 093 34 28 W |
| Hyatt High School | School | 32 | Beauregard | 30 31 28 N | 093 34 33 W |
| Hyde Branch | Stream | | Tangipahoa | 30 49 47 N | 090 26 49 W |
| Hyde Cemetery | Cemetery | 64 | Tangipahoa | 30 49 55 N | 090 27 37 W |
| Hyde Park | Park | 71 | Caddo | 32 25 41 N | 093 46 51 W |
| Hyde Park (subdivision) | Populated Place | 5 | St. Tammany | 30 18 44 N | 089 47 02 W |
| Hydell | Populated Place | 5 | Iberville | 30 18 04 N | 091 06 51 W |
| Hygeia Health Camp | Locale | 5 | St. Tammany | 30 18 14 N | 089 52 45 W |
| Hyland School | School | 17 | St. Landry | 30 29 30 N | 092 08 57 W |
| Hymel | Populated Place | 6 | St. James | 30 02 42 N | 090 50 48 W |
| Hymel Canal | Canal | 1 | St. Charles | 29 55 30 N | 090 25 15 W |
| Hymelia Crevasse | Basin | 4 | St. Charles | 30 01 29 N | 090 29 37 W |
| Hymelia Plantation | Locale | 4 | St. Charles | 30 01 36 N | 090 29 41 W |
| Hynson Bayou | Stream | | Rapides | 31 15 37 N | 092 24 42 W |
| I A Lewis Elementary School | School | 87 | Lincoln | 32 30 56 N | 092 39 04 W |
| Iatt | Populated Place | 54 | Grant | 31 41 11 N | 092 42 24 W |
| Iatt Church | Church | 50 | Grant | 31 41 13 N | 092 42 33 W |
| Iatt Creek | Stream | | Grant | 31 38 08 N | 092 40 03 W |
| Iatt Creek Oil Field | Oilfield | 41 | Winn | 31 45 04 N | 092 40 56 W |
| Iatt Lake Dam | Dam | 25 | Grant | 31 33 19 N | 092 39 37 W |
| Iatt Lookout Tower (historical) | Tower | 77 | Winn | 31 50 49 N | 092 35 59 W |
| Iberia General Hospital | Hospital | 5 | Iberia | 29 59 21 N | 091 47 02 W |
| Iberia Golf and Country Club | Locale | 4 | Iberia | 30 00 47 N | 091 49 10 W |
| Iberia Oil and Gas Field | Oilfield | 2 | Iberia | 29 58 56 N | 091 43 18 W |
| Iberia Parish | Civil | 6 | Iberia | 29 57 01 N | 091 45 02 W |
| Iberia Parish Courthouse | Building | 6 | Iberia | 30 00 16 N | 091 49 17 W |
| Iberia Parish Library | Building | 4 | Iberia | 30 00 12 N | 091 48 45 W |
| Iberia-Saint Mary Canal | Canal | 2 | Iberia | 29 50 24 N | 091 40 18 W |
| Iberville | Populated Place | 5 | Iberville | 30 17 46 N | 091 07 00 W |
| Iberville Elementary School | School | 6 | Iberville | 30 16 45 N | 091 14 34 W |
| Iberville High School | School | 7 | Iberville | 30 16 46 N | 091 14 34 W |
| Iberville Parish | Civil | 1 | Iberville | 30 16 01 N | 091 24 00 W |
| Iberville Parish Civic Center | Building | 5 | Iberville | 30 15 48 N | 091 14 45 W |
| Iberville Parish Courthouse | Building | 8 | Iberville | 30 17 30 N | 091 14 02 W |
| Iberville Parish Library | Building | 6 | Iberville | 30 15 56 N | 091 14 49 W |
| Iberville Terrace | Populated Place | 12 | East Baton Rouge | 30 22 09 N | 091 05 22 W |
| Ice Branch | Stream | | Jackson | 32 09 08 N | 092 22 05 W |
| Ice Water Branch | Stream | | Washington | 30 47 08 N | 089 52 22 W |
| Ida | Populated Place | 83 | Caddo | 33 00 15 N | 093 53 42 W |
| Ida Lake | Swamp | 38 | Red River | 31 56 55 N | 093 20 35 W |
| Ida Lake Dam | Dam | 76 | Caddo | 33 00 24 N | 093 53 13 W |
| Idlewild | Populated Place | 2 | St. Mary | 29 40 42 N | 091 17 36 W |
| Idlewild | Populated Place | 2 | Terrebonne | 29 38 32 N | 090 45 27 W |
| Idlewild Lake | Reservoir | 61 | East Feliciana | 30 48 31 N | 090 58 06 W |
| Idlewild Lake Dam | Dam | 61 | East Feliciana | 30 48 31 N | 090 58 06 W |
| Idlewood (subdivision) | Populated Place | -2 | Orleans | 30 01 56 N | 089 57 23 W |
| Igh Heliport | Airport | 3 | Iberia | 29 59 25 N | 091 47 08 W |
| Iglesia Bautista Getsemani | Church | -2 | Orleans | 30 01 08 N | 090 03 40 W |
| Ike Canal | Canal | 0 | Assumption | 29 53 60 N | 091 07 31 W |
| Ikes | Populated Place | 49 | Beauregard | 30 52 27 N | 093 13 04 W |
| Ile Copal (historical) | Building | 12 | Lafayette | 30 12 59 N | 092 00 18 W |
| Ile De Barataria | Island | 0 | Jefferson | 29 42 35 N | 090 08 55 W |
| Île des Côtes | Area | 22 | Avoyelles | 31 06 53 N | 092 08 56 W |
| Ile Natchitoches | Island | 14 | Avoyelles | 31 08 31 N | 091 51 00 W |
| Illinois Plant | Populated Place | 2 | Cameron | 30 02 22 N | 092 54 42 W |
| Immaculata | Populated Place | 11 | St. Landry | 30 43 30 N | 091 58 15 W |
| Immaculata High School | School | 0 | Jefferson | 29 54 05 N | 090 05 48 W |
| Immaculate Conception Catholic Chuch | Church | 4 | Calcasieu | 30 13 40 N | 093 20 45 W |
| Immaculate Conception Catholic Church | Church | 19 | East Baton Rouge | 30 31 18 N | 091 10 37 W |
| Immaculate Conception Catholic Church | Church | 1 | Jefferson | 29 53 58 N | 090 05 43 W |
| Immaculate Conception Catholic Church | Church | 8 | Jefferson Davis | 30 12 55 N | 092 39 51 W |
| Immaculate Conception Catholic Church | Church | 14 | Livingston | 30 29 40 N | 090 56 39 W |
| Immaculate Conception Catholic Church | Church | 1 | Orleans | 29 57 13 N | 090 04 17 W |
| Immaculate Conception Catholic Church | Church | 20 | St. Landry | 30 36 48 N | 092 03 25 W |
| Immaculate Conception Catholic Church | Church | 1 | Vermilion | 29 49 48 N | 092 18 01 W |
| Immaculate Conception Catholic School | School | 14 | Livingston | 30 29 38 N | 090 56 38 W |
| Immaculate Conception Church | Church | 74 | De Soto | 32 05 26 N | 093 36 34 W |
| Immaculate Conception Church | Church | 77 | De Soto | 32 05 20 N | 093 36 35 W |
| Immaculate Conception Church | Church | 9 | St. Landry | 30 43 34 N | 091 58 12 W |
| Immaculate Conception Church | Church | 1 | Terrebonne | 29 20 60 N | 090 49 50 W |
| Immaculate Conception School | School | 1 | Jefferson | 29 54 03 N | 090 05 44 W |
| Immaculate Conception School | School | 14 | Livingston | 30 29 38 N | 090 56 39 W |
| Immaculate Conception School | School | 11 | St. Landry | 30 43 36 N | 091 58 10 W |
| Immaculate Heart of Mary Catholic Church | Church | 6 | Acadia | 30 12 21 N | 092 21 39 W |
| Immaculate Heart of Mary Catholic Church | Church | 4 | Calcasieu | 30 14 34 N | 093 11 29 W |
| Immaculate Heart of Mary Catholic Church | Church | 11 | Lafayette | 30 13 35 N | 092 00 08 W |
| Immaculate Heart of Mary Catholic Church | Church | -2 | Orleans | 30 01 22 N | 090 01 04 W |
| Immaculate Heart of Mary Church | Church | 2 | Terrebonne | 29 38 39 N | 090 43 01 W |
| Immaculate Heart of Mary School | School | 4 | Calcasieu | 30 14 34 N | 093 11 30 W |
| Immaculate Heart of Mary School | School | 11 | Lafayette | 30 13 33 N | 092 00 09 W |
| Immaculate Heart of Mary School | School | -3 | Orleans | 30 01 26 N | 090 00 59 W |
| Immanuel Church | Church | 101 | Bossier | 32 55 22 N | 093 42 11 W |
| Immanuel Church | Church | 13 | St. Tammany | 30 25 32 N | 089 47 18 W |
| Immanuel Lutheran Church | Church | 49 | Bossier | 32 32 52 N | 093 42 36 W |