U.S. Cities Named San Antonio

There are three incorporated places named San Antonio in the United States:

1. San Antonio, Texas – 7th largest U.S. city (~1.45 M).
2. San Antonio, Florida – Unincorporated community in Pasco County.
3. San Antonio, New Mexico – Census‑designated place in Socorro County.

Additional unincorporated locales or historical sites may share the name.