Unione Sportiva Ausonia Spezia was an Italian association football club located in La Spezia.
The club was admitted to the 1945âÂÂ46 Serie B-C after merging with the Afterwork Spezia, the second club in the city. However, the following season Ausonia was relegated to Serie C 1946âÂÂ47. The club was immediately relegated to Promozione and later dissolved.