The USS Abraxas was a starship in service to Starfleet in the mid 24th century. Crewman Lauoc Soan served aboard the Abraxas following his Starfleet Security training, and during the Dominion War. (CoE eBook: Troubleshooting)

Interestingly, the Abraxas shares its name with Abraxas IX, a Romulan border planet established in TNG novel: The Romulan Prize. This may suggest Abraxas was a battle site during the Earth-Romulan War.