Thomas Fentress Toon (June 10, 1840 – February 19, 1902) was a brigadier general in the Confederate States Army during the American Civil War.

He attended Wake Forest College but left school as a senior when the Civil War began.

From 1862 to March 1865, he fought in all the major engagements of the Army of Northern Virginia and suffered seven wounds in the process.

In August Johnston returned, and Toon reverted to his former rank of Colonel and command of the 20th North Carolina.

On March 25, 1865, he was severely wounded during the Confederate attack during the Battle of Fort Stedman ending his active duty in the field remainder of the War.