Reginald Tupper
| Sir Reginald Tupper | |
|---|---|
| 1917 portrait by Francis Dodd | |
| Born | 16 October 1859 London, England | 
| Died | 5 March 1945 (aged 85) London, England | 
| Allegiance | United Kingdom | 
| Branch | Royal Navy | 
| Years of service | 1873–1921 | 
| Rank | Admiral | 
| Commands | Western Approaches Northern Patrol Portsmouth Division of the Home Fleet HMS Excellent HMS Prince of Wales HMS Venus | 
| Battles / wars | 1890 Witu Expedition First World War | 
| Awards | Knight Grand Cross of the Order of the British Empire Knight Commander of the Order of the Bath Commander of the Royal Victorian Order Mentioned in Despatches | 
Sir Reginald Godfrey Otway Tupper (16 October 1859 – 5 March 1945) was a Royal Navy officer active during the late Victorian period and the First World War.