Five ships of the United States Navy have been named USS Connecticut in honor of the fifth state.
- The first Connecticut, a gondola, served with the Continental Army on Lake Champlain during the American Revolutionary War.
- The second Connecticut, 26, served during the Quasi-War.
- The third Connecticut was a sidewheel steamer that saw action in the American Civil War.
A monitor was named Connecticut while under construction, but was commissioned as Nevada. A few year later, she was renamed Tonopah, and served as a submarine tender under that name during World War I.
- The fourth Connecticut (BB-18), lead ship of her class of battleship, sailed with the Great White Fleet and saw action during World War I.
- The fifth Connecticut (SSN-22) is the second Seawolf-class submarine.