Kotasaurus
- Pronunciation: KOH-tuh-SAWR-us
- Translation: Kota (Formation) Lizard
- Order: Saurischia
- Suborder: Sauropodomorpha
- Infraorder: Sauropoda or Prosauropoda
- Period: Early Jurassic
- Description: Herbivore, Quadrupedal
- Notes: Kotasaurus may be the oldest sauropod, sharing thecharacteristics (mainly in the hip and pelvic region) of both prosauropods and sauropods.