| Native Name: | Grafschaft Sayn-Wittgenstein-Wittgenstein |
| Conventional Long Name: | County of Sayn-Wittgenstein-Wittgenstein |
| Common Name: | Sayn-Wittgenstein-Wittgenstein |
| Era: | Middle Ages |
| Status: | Vassal |
| Empire: | Holy Roman Empire |
| Government Type: | Principality |
| Year Start: | 1607 |
| Year End: | 1657 |
| Event Start: | Partitioned from Sayn-Wittgenstein |
| Date Start: | 1607 |
| Event End: | Partitioned in twain |
| P1: | Sayn-Wittgenstein |
| S1: | Sayn-Wittgenstein-Hohenstein |
| S2: | Sayn-Wittgenstein-Vallendar |
| Capital: | Wittgenstein Castle |
Sayn-Wittgenstein-Wittgenstein was a county of the Sauerland of Germany. Sayn-Wittgenstein-Wittgenstein was a partition of Sayn-Wittgenstein, comprising the southern portion of the Wittgenstein County. In 1657, it was partitioned into Sayn-Wittgenstein-Hohenstein and Sayn-Wittgenstein-Vallendar.