Unnamed Constitution class starships
List of unnamed Federation starships of the .

Docked at Starbase 1 

This ship was docked at Starbase 1 at the same time the  was undergoing repairs following their encounter with the Gorn. ("Spock Amok")

Docked at Starbase 28 

A display graphic of Starbase 28 showed two Constitution-class starships present. ()

Docked at Spacedock  

These two vessels were in Earth Spacedock following the Whale Probe incident in 2286. The travel pod transporting the crew of the  passed these vessels en route to their new assignment, the . ()

Fleet Museum ship  
This pre-refit starship was on exhibit at the Fleet Museum during the late-24th century. 

Jean-Luc Picard, who identified the holographic bridge of the USS Enterprise as belonging to the Constitution-class, recognized the design from his familiarity with the one on display at the museum. ()

Wolf 359 

At least one vessel participated in the Battle of Wolf 359 in 2366. Wreckage of the vessel or vessels was seen there as the  passed through the "grave yard" of ships that were defeated in the battle. ()

de:Weitere Raumschiffe der Constitution-Klasse
ja:名称不明コンスティチューション級
Constitution class