Thin-tailed Legless Skink
Acontias gracilicauda
- Least concern
- Card rarity: Common
- Reptiles

Acontias gracilicauda, the slendertail lance skink or thin-tailed legless skink, is a species of skink. It is found in the Republic of South Africa and Lesotho. Acontias namaquensis was formerly included in this species as a subspecies, but is now recognized as a distinct species.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Scincidae
- Genus
- Acontias