The USS Gallico was a 24th century Federation starship operated by Starfleet.

In 2370, the captain of this ship was J. Priestly. The starship's point of departure was Starbase 58. The starship arrived at Deep Space 9 on stardate 47544.5. The USS Gallico was named on the space station's arrival roster. (DS9: "Whispers", production art)

This starship was only mentioned in writing.
The starship was presumably named after Paul Gallico, the author of The Poseidon Adventure.(citation needededit)