| Official Name: | Armstrong, Texas |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Texas#USA |
| Pushpin Label: | Armstrong |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Kenedy |
| Population As Of: | 2000 |
| Population Total: | 20 |
| Timezone: | CST |
| Timezone Dst: | CDT |
| Coordinates: | 26.9249°N -97.7902°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 78338[1] |
| Area Code: | 361 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1377953 |
Armstrong is an unincorporated community in Kenedy County, Texas, United States.
Situated on U.S. Route 77, it was established in 1914, when the Missouri Pacific Railroad was extended to it. The community was named for John Barclay Armstrong, who established Armstrong Ranch nearby, in 1893. A post office called Katherine was established in 1913, before being renamed in 1915. As of 2000, it had a population of 20.[2]