| Thaida | |
|---|---|
| T. peculiaris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Austrochilidae |
| Genus: | Thaida Karsch, 1880 |
| Type species | |
| T. peculiaris Karsch, 1880 | |
| Species | |
| |

Thaida is a genus of South American cribellate araneomorph spiders in the family Austrochilidae, first described by Ferdinand Karsch in 1880. Its two described species are found in Chile and Argentina.
As of October 2025[update], this genus includes two species: