| Mardin Sign | |
| States: | Turkey |
| Region: | Mardin |
| Speakers: | 40 |
| Date: | 2012 |
| Ref: | e25 |
| Familycolor: | sign |
| Family: | family sign language isolate |
| Iso3: | dsz |
| Glotto: | mard1245 |
| Glottorefname: | Mardin Sign Language |
Mardin Sign Language is a family sign language of Turkey. It was originally spoken in the town of Mardin, dating back at least five generations in a single extended family. All speakers now live in Izmir or Istanbul, and the younger generation has shifted to Turkish Sign Language.