Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sylvan Lake Estates | Populated Place | 37 | Ouachita | 32 32 58 N | 092 11 13 W |
| Sylvanie F Williams School | School | 0 | Orleans | 29 56 52 N | 090 05 23 W |
| Sylvest Cemetery | Cemetery | 57 | Tangipahoa | 30 46 01 N | 090 20 01 W |
| Sylvest Cemetery | Cemetery | 61 | Washington | 30 46 45 N | 090 13 40 W |
| Sylvest Creek | Stream | | De Soto | 32 13 48 N | 093 43 48 W |
| Sylvesters Airport | Airport | 22 | Evangeline | 30 41 45 N | 092 19 03 W |
| T B Hospital | Hospital | 10 | Lafayette | 30 12 51 N | 092 01 42 W |
| T Bayou | Stream | | Tangipahoa | 30 18 33 N | 090 23 19 W |
| T H Harris Middle School | School | -1 | Jefferson | 29 59 05 N | 090 11 53 W |
| T J Brown Landing | Locale | 12 | Caldwell | 32 05 35 N | 092 03 15 W |
| T L James Pond Dam | Dam | 12 | St. Tammany | 30 28 49 N | 089 58 12 W |
| T L Rodes Elementary School | School | 73 | Bossier | 32 33 10 N | 093 34 06 W |
| Tabatiere Perdue | Populated Place | 0 | St. Charles | 29 43 38 N | 090 20 23 W |
| Taber Creek | Stream | | East Baton Rouge | 30 41 15 N | 090 57 15 W |
| Tabernacle Baptist Church | Church | 59 | Caddo | 32 32 36 N | 093 48 29 W |
| Tabernacle Baptist Church | Church | 70 | Caddo | 32 27 45 N | 093 48 21 W |
| Tabernacle Baptist Church | Church | 1 | Orleans | 29 57 56 N | 090 03 38 W |
| Tabernacle Baptist Church | Church | 23 | Ouachita | 32 30 30 N | 092 06 44 W |
| Tabernacle Church | Church | 1 | Jefferson | 29 54 46 N | 090 08 39 W |
| Tabernacle Church | Church | 0 | Orleans | 29 57 48 N | 090 00 23 W |
| Tabernacle Church (historical) | Church | 27 | Grant | 31 25 53 N | 092 40 06 W |
| Tabernacle Missionary Baptist Church | Church | 53 | Caddo | 32 32 02 N | 093 48 05 W |
| Tabernacle of Christ Church | Church | 1 | Orleans | 29 58 12 N | 090 03 51 W |
| Tabernacle of Prayer | Church | 0 | Orleans | 29 57 33 N | 090 00 32 W |
| Tabernacle of Prayer Church | Church | 7 | Orleans | 29 56 22 N | 090 04 51 W |
| Tabernacle School (historical) | School | 55 | Natchitoches | 31 47 45 N | 093 09 26 W |
| Taconey | Populated Place | 18 | Concordia | 31 34 32 N | 091 28 05 W |
| Tad Gormley Stadium | Park | 0 | Orleans | 29 59 24 N | 090 05 58 W |
| Tadpole Lake | Lake | 43 | Webster | 32 30 41 N | 093 21 59 W |
| Taft | Populated Place | 4 | St. Charles | 29 59 29 N | 090 26 53 W |
| Talbot Canal | Canal | 0 | Assumption | 29 54 44 N | 091 07 53 W |
| Talbot Landing | Populated Place | 20 | Franklin | 32 05 21 N | 091 33 38 W |
| Talisheek | Populated Place | 18 | St. Tammany | 30 31 58 N | 089 52 36 W |
| Talisheek Bay | Swamp | 23 | St. Tammany | 30 35 03 N | 089 56 12 W |
| Talisheek Bluff | Cliff | 12 | St. Tammany | 30 32 27 N | 089 50 30 W |
| Talisheek Creek | Stream | | St. Tammany | 30 32 42 N | 089 52 14 W |
| Talisheek Post Office | Post Office | 18 | St. Tammany | 30 31 57 N | 089 52 32 W |
| Talisheek Swamp | Swamp | 19 | St. Tammany | 30 33 30 N | 089 55 21 W |
| Tall Timbers | Populated Place | 61 | Bossier | 32 33 41 N | 093 34 47 W |
| Tall Timbers (subdivision) | Populated Place | -2 | Orleans | 29 54 18 N | 089 59 51 W |
| Tall Timbers Mall Shopping Center | Locale | 0 | Orleans | 29 54 25 N | 089 59 28 W |
| Talla Bena | Populated Place | 26 | Madison | 32 29 31 N | 091 09 12 W |
| Talla Bena Bayou | Gut | 22 | Madison | 32 29 21 N | 091 10 19 W |
| Talley Church | Church | 27 | St. Tammany | 30 39 19 N | 089 57 39 W |
| Talleys Chapel Cemetery | Cemetery | 28 | St. Tammany | 30 39 19 N | 089 57 38 W |
| Talleys Creek | Stream | | Washington | 30 39 28 N | 089 58 43 W |
| Talleys Lake | Lake | 22 | St. Tammany | 30 39 52 N | 089 58 48 W |
| Tallow Wood | Populated Place | 12 | Tangipahoa | 30 31 04 N | 090 24 08 W |
| Tallulah | Populated Place | 26 | Madison | 32 24 31 N | 091 11 12 W |
| Tallulah Elementary School | School | 24 | Madison | 32 24 03 N | 091 10 58 W |
| Tallulah High School | School | 26 | Madison | 32 24 14 N | 091 11 33 W |
| Tally Ho | Populated Place | 5 | Iberville | 30 12 20 N | 091 11 04 W |
| Talton School (historical) | School | 76 | Webster | 32 30 03 N | 093 11 21 W |
| Tama | Populated Place | 49 | Ouachita | 32 19 38 N | 092 15 21 W |
| Tamaron (subdivision) | Populated Place | -2 | Orleans | 30 03 25 N | 089 57 04 W |
| Tambour Bay | Bay | 2 | Terrebonne | 29 11 05 N | 090 39 36 W |
| Tambour Cutoff | Channel | 0 | Terrebonne | 29 12 32 N | 090 39 13 W |
| Tams Drive Park | Park | 14 | East Baton Rouge | 30 28 02 N | 091 03 17 W |
| Tan Trough Creek | Stream | | Sabine | 31 28 08 N | 093 25 35 W |
| Tanasia Lagoon | Lake | 0 | St. Bernard | 29 46 28 N | 089 41 02 W |
| Tangipahoa | Populated Place | 54 | Tangipahoa | 30 52 34 N | 090 30 43 W |
| Tangipahoa Cemetery | Cemetery | 64 | Tangipahoa | 30 52 10 N | 090 31 29 W |
| Tangipahoa Cemetery | Cemetery | 73 | Tangipahoa | 30 52 25 N | 090 31 40 W |
| Tangipahoa Parish | Civil | 43 | Tangipahoa | 30 40 01 N | 090 24 00 W |
| Tangipahoa Parish Courthouse | Building | 34 | Tangipahoa | 30 43 40 N | 090 30 15 W |
| Tangipahoa River | Stream | | Tangipahoa | 30 20 12 N | 090 16 26 W |
| Tanglewood | Populated Place | 17 | East Baton Rouge | 30 32 17 N | 091 04 30 W |
| Tanglewood | Populated Place | 20 | Ouachita | 32 27 29 N | 092 03 42 W |
| Tanglewood Elementary School | School | 18 | East Baton Rouge | 30 32 02 N | 091 04 28 W |
| Tanglewood Plantation | Locale | 20 | Concordia | 31 44 55 N | 091 29 41 W |
| Tanglewood Plantation (historical) | Locale | 7 | Iberville | 30 29 39 N | 091 30 57 W |
| Tanglewood Village (subdivision) | Populated Place | 5 | St. Tammany | 30 17 48 N | 089 45 05 W |
| Tank Lake | Lake | 18 | Franklin | 32 17 51 N | 091 46 03 W |
| Tannehill | Populated Place | 42 | Winn | 31 59 53 N | 092 39 19 W |
| Tannehill Creek | Stream | | Winn | 31 59 12 N | 092 39 53 W |
| Tanner Creek | Stream | | Claiborne | 32 57 57 N | 092 50 06 W |
| Tanner Lake | Lake | 17 | Avoyelles | 30 56 43 N | 092 09 24 W |
| Tanner Spur (historical) | Locale | 19 | Avoyelles | 30 57 59 N | 092 12 05 W |
| Tanners Creek | Stream | | Rapides | 30 59 44 N | 092 28 17 W |
| Tansey | Populated Place | 28 | Winn | 31 49 36 N | 092 22 56 W |
| Tanyard Branch | Stream | | Ouachita | 32 17 49 N | 092 10 39 W |
| Tanyard Branch | Stream | | Rapides | 31 15 14 N | 092 20 48 W |
| Tanyard Cemetery | Cemetery | 59 | Red River | 32 07 27 N | 093 23 57 W |
| Tanyard Creek | Stream | | Webster | 32 25 57 N | 093 18 21 W |
| Tanyard Creek | Stream | | Winn | 32 01 18 N | 092 22 53 W |
| Tanyard Creek Gas Field | Oilfield | 58 | Winn | 32 00 46 N | 092 24 36 W |
| Tanyard Lake | Lake | 22 | Rapides | 31 15 12 N | 092 21 11 W |
| Tapalcat Bayou | Gut | 34 | Natchitoches | 31 48 54 N | 093 16 39 W |
| Tar Island | Island | 51 | Caddo | 32 41 27 N | 094 02 29 W |
| Tar Island Slough | Gut | 51 | Caddo | 32 41 37 N | 094 02 33 W |
| Tar Kiln Branch | Stream | | La Salle | 31 40 13 N | 092 00 59 W |
| Tara (subdivision) | Populated Place | 13 | East Baton Rouge | 30 26 15 N | 091 05 38 W |
| Tara High School | School | 14 | East Baton Rouge | 30 26 03 N | 091 05 16 W |
| Tara Place (subdivision) | Populated Place | 16 | East Baton Rouge | 30 26 46 N | 091 05 48 W |
| Tara Place Shopping Center | Locale | 11 | East Baton Rouge | 30 25 49 N | 091 05 08 W |
| Tarkill Lake | Lake | 20 | Rapides | 31 12 14 N | 092 18 16 W |
| Tarleton Bayou | Stream | | St. Martin | 30 07 26 N | 091 29 43 W |
| Tarsus Bible Baptist Church | Church | 3 | Calcasieu | 30 11 55 N | 093 10 41 W |
| Tarver Creek | Stream | | La Salle | 31 51 08 N | 092 15 33 W |
| Tarvers Point | Cape | 46 | Bienville | 32 20 21 N | 093 24 14 W |
| Tarvers School (historical) | School | 64 | La Salle | 31 53 58 N | 092 04 24 W |
| Tarvon Swamp (historical) | Swamp | 10 | Livingston | 30 29 19 N | 090 37 50 W |
| Tasker African Methodist Episcopal Zion Chapel | Church | 6 | Tangipahoa | 30 25 60 N | 090 26 30 W |
| Tate Cemetery | Cemetery | 84 | Washington | 30 54 56 N | 090 19 46 W |
| Tate Cemetery | Cemetery | 77 | Washington | 30 55 24 N | 090 19 30 W |
| Tate Cove | Populated Place | 23 | Evangeline | 30 44 39 N | 092 14 49 W |
| Taterville | Populated Place | 10 | St. Landry | 30 48 26 N | 091 57 14 W |
| Tates Landing | Locale | 2 | Livingston | 30 21 16 N | 090 49 04 W |
| Taunton-Coleman Cemetery | Cemetery | 28 | Catahoula | 31 43 04 N | 091 54 37 W |
| Taylor | Populated Place | 68 | Bienville | 32 32 45 N | 093 07 10 W |