| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Yattan | city | Louisiana | United States | 30.60111 | -91.32111 | 13 | 1684 |
| Yawn historical | city | Louisiana | United States | 30.61722 | -90.59361 | 75 | 5364 |
| Yellow Bayou | city | Louisiana | United States | 30.99111 | -91.84056 | 42 | 1410 |
| Yellow Pine | city | Louisiana | United States | 32.47694 | -93.32417 | 173 | 2258 |
| Yester Oaks subdivision | city | Louisiana | United States | 30.24972 | -89.79583 | 6 | 26077 |
| Yorkdale | city | Louisiana | United States | 30.55778 | -91.12139 | 55 | 44832 |
| Young Landing | city | Louisiana | United States | 31.76889 | -91.55917 | 49 | 514 |
| Youngs | city | Louisiana | United States | 29.9675 | -92.11611 | 13 | 15847 |
| Youngsville | city | Louisiana | United States | 30.09944 | -91.99 | 29 | 18045 |
| Yscloskey | city | Louisiana | United States | 29.84167 | -89.68833 | 3 | 127 |
| Yucatan Landing | city | Louisiana | United States | 32.07972 | -91.15389 | 45 | 703 |
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