The 2011 United States Army $5 Gold Coin is one of two commemorative gold strikes issued by the US Mint in the year. This coin is featured in both proof and uncirculated condition and shows a release date of January 31, 2011.

These strikes were authorized by the United States Army Commemorative Coin Act of 2008 (Public Law 110-450) which was signed into law on December 1, 2008 by President George W. Bush. According to the Act, the designs featured on these coins are to be "emblematic of the traditions, history, and heritage of the United States Army, and its role in American society from the Colonial period to today."

The US Army was established in 1775 by the Continental Congress. Since then, it has served the country in both times of war and times of peace with over 30 million individuals having been a part of the organization since it was created.

Surcharges of $35 per 2011 United States Army $5 Gold Coin sold by the US Mint is to be forwarded to the Army Historical Foundation to support the construction of the National Museum of the US Army at Fort Belvoir, Virginia.

Shown on the obverse of each 2011 United States Army $5 Gold Coin is a design reflective of the "Service in War" theme. It was designed by United States Mint Artistic Infusion Program (AIP) Master Designer Joel Iskowitz and sculpted by United States Mint Sculptor-Engraver Phebe Hemphill. Depicted on the design are five individuals representative of US Army person ell through the ages – from left to right, the figures shown are Continental, Civil War, modern, World War II and World War I soldiers. Surrounding the design are the inscriptions of LIBERTY, 2011 and IN GOD WE TRUST.

The reverse is based on the official U.S. Army emblem to represent the continual service of the branch to the United States. Also shown is the inscriptions of This We’ll Defend, the motto of the U.S. Army.  Inscribed as well are  DEPARTMENT OF THE ARMY, E PLURIBUS UNUM, 1775, FIVE DOLLARS and UNITED STATES OF AMERICA.  The reverse was sculpted by United States Mint Sculptor-Engraver Joseph Menna.

Also issued by the Mint as part of the US Army Commemorative Coin Program is the United States Army Silver Dollar and the United States Army Half Dollar Coin.