Sack's Giant Whiptail Lizard
Aspidoscelis sackii
- Least concern
- Card rarity: Common
- Reptiles

Aspidoscelis sackii, known commonly as Sack's spotted whiptail, is a species of lizard in the family Teiidae. The species is endemic to Mexico. There are three recognized subspecies.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Teiidae
- Genus
- Aspidoscelis