Eastern Three-lined Skink
Acritoscincus duperreyi
- Least concern
- Card rarity: Common
- Reptiles

The eastern three-lined skink, also known commonly as the bold-striped cool-skink, is a species of skink, a lizard in the family Scincidae. The species is endemic to Australia. A. duperreyi has been extensively studied in the context of understanding the evolution of learning, viviparity in lizards, and temperature- and genetic-sex determination. A. duperreyi is classified as a species of "Least Concern" by the IUCN.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Scincidae
- Genus
- Acritoscincus