| Named By: | M. Bisconti in 2006 |
| Time Period: | Serravallian |
| Location: | San Marino |
| Size: | Skull about 1 meter long, total body length estimated to be about 6 meters long |
| Diet: | Carnivore - Filter feeder |
| Fossil(s): | Skull |
| Classification: | | Chordata | Mammalia | Cetacea | Mysticeti | Thalassotherii | Cetotheriidae | |
| Also known as: | | Aulocetus sammarinensis | |
Titanocetus ("Titano whale") is a genus of extinct cetaceans closely related to the family Cetotheriidae.