The Havana was a 24th century Federation starship.
In 2369, the Havana was scheduled to rendezvous with the USS Enterprise-D following the latter ship's study of the fire storms on Bersallis III. (TNG: "Lessons")
The Star Trek Encyclopedia, (3rd ed., p. 185) described the vessel as the USS
Istanbul-class starship with a registry of NCC-34043.