| South Texas Development Council | |
| Map: | STDC.png |
| Mcaption: | Map of Texas highlighting counties served by the South Texas Development Council |
| Formation: | June 1966 |
| Type: | Voluntary association of governments |
| Region Served: | 6643sqmi |
| Membership: | 4 counties |
Based in Laredo, South Texas Development Council (STDC) is a voluntary association of cities, counties and special districts in southern Texas.