| Native Name: | Επαρχία Καρυστίας |
| Native Name Lang: | el |
| Conventional Long Name: | Karystia Province |
| Common Name: | Karystia Province |
| Subdivision: | Province |
| Nation: | Greece |
| Capital: | Karystos |
| Event End: | Law 2539/1997 |
| Year End: | 2006 |
Karystia was one of the provinces of the Euboea Prefecture, Greece. Its territory corresponded with that of the current municipalities Karystos, Kymi-Aliveri, and Skyros.[1] It was abolished in 2006.