William Wirt Allen (September 11, 1835 – November 21, 1894) was a Confederate military officer during the American Civil War.

[1] Shortly after his birth, the family moved to Montgomery, Alabama, where Allen was educated before entering Princeton College in New Jersey.

[2] After Alabama declared secession, Allen enlisted in the newly raised Confederate States Army and was elected as a lieutenant in Company A, Montgomery Mounted Rifles.

He was subsequently promoted to colonel of the regiment before the Kentucky Campaign and led the 1st Alabama Cavalry at the Battle of Perryville, where he received a slight wound.

[6] The Maj. Gen. William Wirt Allen, Chapter 199, of the Military Order of the Stars and Bars is named in his honor and memory.