Samuel Thomas Dickson Wallace VC (7 March 1892 – 2 February 1968) was a Scottish recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.

He was 25 years old, and a temporary lieutenant in the 'C' Battery 63rd Brigade, Royal Field Artillery, British Army during the First World War when the following deed took place for which he was awarded the VC.

Then, owing to the exhausted state of his men, he withdrew when the infantry supports arrived, taking with him all essential gun parts and all wounded.

He is buried in Moffat Cemetery, Dumfries and Galloway, Scotland on right side of main gate.

His Victoria Cross is displayed at the Royal Artillery Museum, Woolwich, England.