Datousaurus
- Pronunciation: DAH-too-SAWR-us
- Translation: Datou Lizard
- Order: Saurischia
- Suborder: Sauropodomorpha
- Infraorder: Sauropoda
- Family: Cetiosauridae
- Weight: Period
- Length: 49.2 feet (15 meters)
- Description: Herbivore, Quadrupedal
- Notes: Sauropod skulls were small and light-boned, and finds arerare, but a complete Datousaurus skull exists. It is not certain, however, that the skull and skeleton of this find are from the samedinosaur.