Arthur Cyril Harbour
- Nationality: United Kingdom
- Rank: Private
- Regiment/Service: The Queen's (Royal West Surrey Regiment)
- Unit: 1st/5th Battalion
- Joined: 1913
- Served: in India 1 yr, Mesopotamia 9 month
- Died: at Basra of Cholera 12/7/1916
- Age: 21
- Service No: 1735
- Casualty Type: Commonwealth War Dead
- Grave/Memorial Reference: VI.U.9 BASRA WAR CEMETERY Iraq
Son of Arthur T G & Emmeline Harbour of Lynn Cottage, Town End St, Godalming