William E. Leonard (c. 1836–February 8, 1891) was a Private in the Union Army and a Medal of Honor recipient for his actions in the American Civil War.
He is buried at Jacksonville Cemetery Wind Ridge, Pennsylvania.
Rank and organization: Private, Company F, 85th Pennsylvania Infantry. Place and date: At Deep Bottom, Va., April 16, 1864. Entered service at: Jacksonville, Pa. Birth: Greene County, Pa. Date of issue: April 6, 1865.
Citation:
<blockquote>Capture of battle flag.</blockquote>