Fort Walker (Hilton Head) was an American Civil War Confederate fort located on Hilton Head Island, South Carolina at the mouth of Port Royal Sound.

[1] Fort Walker along with the Confederate Fort Beauregard on the opposite side of Port Royal Sound was the site of the Battle of Port Royal during November 1861.

[2] The fort was rearmed with an experimental 15-inch dynamite gun battery 1897-1902.

[3][4] Today the site of the fort ruins is marked with a historical marker and located on Fort Walker Drive,[5] Hilton Head, SC.

It is not accessible to the general public except through guided tours through the Coastal Discovery Museum.