George Sykes (October 9, 1822 – February 8, 1880) was a career United States Army officer and a Union general during the American Civil War.

Sykes continued his frontier service and Indian fighting, mainly in New Mexico, and was promoted to full captain in 1855.

Sykes got command of a brigade of regulars after Bull Run, and was promoted to brigadier general of volunteers on September 28.

He led his regulars in the Peninsula Campaign and rose to division command in May 1862 in the newly created V Corps.

His men, who often referred to themselves as "Sykes' Regulars", distinguished themselves defending their position at Gaines' Mill during the Seven Days Battles, before the Union line broke elsewhere.

[2] Sykes was notably the only division commander in the Army of the Potomac not rewarded with a promotion to major general after the Seven Days Battles.

Gen. James Barnes), the fabled defense of Little Round Top was led by brigade commander Col. Strong Vincent and the 20th Maine Infantry under Col. Joshua Lawrence Chamberlain.

Gen. Samuel W. Crawford, attacked from Little Round Top, drove the Confederates across the "Valley of Death" and ended the deadly fighting in the Wheatfield.