| Named By: | Kellner & Campos in 2002 |
| Time Period: | Albian-Aptian |
| Location: | Brazil - Santana Formation |
| Size: | Typically 4.5 meter wingspan, larger individuals possibly up to 5.3 meter wingspan |
| Diet: | unavailable |
| Fossil(s): | Two specimens |
| Classification: | | Chordata | Reptilia | Pterosauria | Pterodactyloidea | Neoazhdarchia | Thalassodromidae | |
Thalassodromeus is a genus of large pterodactyloid pterosaur found in northeastern Brazil.