USS Iowa may refer to:
, was a monitor

Monitor (warship)

A monitor was a class of relatively small warship which was neither fast nor strongly armoured but carried disproportionately large guns. They were used by some navies from the 1860s until the end of World War II, and saw their final use by the United States Navy during the Vietnam War.The monitors...

 originally named Ammonoosuc that was never commissioned. She was renamed Iowa before being sold
, 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...

 that saw action during the Spanish-American War
, was a battleship already under construction when she was canceled by the Washington Naval Treaty
, was the lead ship of the s and saw action during World War II and the Korean War

See also

• SS Iowan
  SS Iowan
  SS Iowan was a cargo ship built in 1914 for the American-Hawaiian Steamship Company. During World War I she was taken over by the United States Navy and commissioned as USS Iowan ...
  
  
• Steamboat Iowa
  Iowa (steamboat)
  the Steamboat Iowa was revered as one of the largest and fastest boats on the Mississippi in the mid 19th century; it is incorporated into the official Seal of Iowa. Built in 1838, the Iowa was the first vessel named for the newly formed Territory of Iowa. It weighed 112 tons, could pull 10 keel...
  
  , 1838, a Mississippi River boat that transported troops during the Civil War and appears on the Seal of Iowa
  Seal of Iowa
  The Great Seal of the State of Iowa was created in 1847 and depicts a citizen soldier standing in a wheat field surrounded by symbols important in early historical Iowa, including farming, mining, and transportation with the Mississippi River in the background...