19 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| Houma | Terrebonne Parish | 31,252 |
| Hammond | Tangipahoa Parish | 24,355 |
| Harvey | Jefferson Parish | 21,769 |
| Harahan | Jefferson Parish | 8,749 |
| Haughton | Bossier Parish | 4,588 |
| Hahnville | St. Charles Parish | 3,908 |
| Homer | Claiborne Parish | 2,521 |
| Haynesville | Claiborne Parish | 1,877 |
| Henderson | Lafayette Parish | 1,605 |
| Hackberry | Cameron Parish | 920 |
| Hester | St. James Parish | 758 |
| Hessmer | Avoyelles Parish | 742 |
| Hornbeck | Vernon Parish | 405 |
| Hayes | Calcasieu Parish | 401 |
| Hodge | Jackson Parish | 368 |
| Hall Summit | Red River Parish | 262 |
| Harrisonburg | Catahoula Parish | 257 |
| Hosston | Caddo Parish | 233 |
| Heflin | Webster Parish | 203 |