Herbert Henry Smart
- Nationality: United Kingdom
- Rank: Lance Corporal
- Regiment/Service: The Queen's (Royal West Surrey Regiment)
- Unit: 10th Battalion
- Joined: 16/5/1916
- Served: in France
- Wounded 1/7/1917, 31/9/1917 & 4/9/1918
- Died: 6/9/1918 at 2nd Canadian Clearing Station, Esquelbecq
- Age: 33
- Service No: 13526
- Casualty Type: Commonwealth War Dead
- Grave/Memorial Reference: II.G.30 ESQUELBECQ MILITARY CEMETERY Nord, France
son of William & Eliza Smart of Farncombe; husband of Edith Annie Smart of Holton Villa, Ormonde Road, Godalming.