USS Delaware may refer to:
, was a 24-gun frigate

Frigate

A frigate is any of several types of warship, the term having been used for ships of various sizes and roles over the last few centuries.In the 17th century, the term was used for any warship built for speed and maneuverability, the description often used being "frigate-built"...

 built in 1776 and captured by the British in 1777
, was a 20-gun ship purchased in 1798
, was a 74-gun ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...

, launched in 1820 and burned in 1861
, was a side-wheel steamer built in 1861 and decommissioned in 1865
, was a screw steamer renamed from Piscataqua in 1869
, was a battleship

Battleship

A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were larger, better armed and armored than cruisers and destroyers. As the largest armed ships in a fleet, battleships were used to attain command of the sea and represented the apex of a...

commissioned in 1910 and scrapped in 1924

• SP-467 (later AT-5S and YT-111) served in the Navy from 1917 to 1923. Although officially known as SP-467, she was erroneously listed under her merchant name of Delaware on various occasions.