William B. Avery
Born	(1840-09-10)September 10, 1840 Providence, Rhode Island
Died	July 19, 1893(1893-07-19) (aged 52) Bayside, Rhode Island
Place of burial	North Burial Ground, Providence, Rhode Island
Allegiance	United States of America
Service/branch	United States Army Union Army
Years of service	186& – 1863
Rank	First Lieutenant
Unit	Company B, 1st New York Marine Artillery
Battles/wars	American Civil War
Awards	Medal of Honor

William Bailey Avery (September 10, 1840 – July 19, 1894) was an American soldier who received the Medal of Honor for valor during the American Civil War.

Avery served in the American Civil War in the 1st New York Marine Artillery for the Union Army. He received the Medal of Honor on September 2, 1893 for his bravery at the Battle of Tranter's Creek. He was a Companion of the Military Order of the Loyal Legion of the United States.

Citation:

Handled his battery with greatest coolness amidst the hottest fire. ^[1]

• List of American Civil War Medal of Honor recipients: A–F

• Works by or about William B. Avery at Internet Archive
• William B. Avery at Find a Grave
• Military Times